{"title":"Water Treatment Chemicals","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eExplore our range of water treatment chemicals at HD Chemicals UK. We supply specialist chemicals and raw materials for water treatment, pH adjustment, water conditioning and selected commercial and industrial applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur selection includes chemicals used in water treatment processes, such as aluminium sulphate, sodium carbonate and sodium bisulphate, subject to their individual specifications and intended applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you require chemicals for industrial water treatment, maintenance systems or specialist water management processes, HD Chemicals offers a selection of products in convenient pack sizes for businesses and individual customers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach product has its own technical properties, handling requirements and suitability considerations. Always review the product specifications, instructions and Safety Data Sheet (SDS) before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Products in this collection are not automatically approved for drinking water treatment. Only use chemicals for potable water applications where the specific product has the necessary certification and documented suitability.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"sodium-metabisulphite-99","title":"Sodium Metabisulphite 99%","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eSodium Metabisulphite \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eBuy 1 item get 1 at 10% off\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e(add 2 to the basket)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-WEB:8d37d7b4-ae6e-4dd3-b2e2-fb729c99c29c-142\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-2\" data-turn-id-container=\"request-WEB:8d37d7b4-ae6e-4dd3-b2e2-fb729c99c29c-142\" data-turn-id=\"request-WEB:8d37d7b4-ae6e-4dd3-b2e2-fb729c99c29c-142\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5-thinking\" dir=\"auto\" data-message-id=\"844720d9-e3c4-414f-b536-ae3703548d9d\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-end=\"443\" data-start=\"128\"\u003eHigh-purity Sodium Metabisulphite 99% Food Grade is a versatile preservative and antioxidant used in food processing, brewing, winemaking, cleaning and water treatment. Supplied in secure HDPE packaging, it helps prevent oxidation, maintain freshness and support effective sanitising when used correctly and safely.\u003c\/p\u003e\n\u003ch2 data-end=\"465\" data-start=\"445\" data-section-id=\"18htyq7\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"465\" data-start=\"448\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-end=\"801\" data-start=\"466\"\u003e\n\u003cli data-end=\"519\" data-start=\"466\" data-section-id=\"1k8agd\"\u003e99% high-purity food grade Sodium Metabisulphite\u003c\/li\u003e\n\u003cli data-end=\"591\" data-start=\"520\" data-section-id=\"8pxovx\"\u003eAvailable in 250g AluBag, 500g Alubag (2 x 250 - depend on stock) 500g HDPE bottle, 1.5kg HDPE jerry can and 5kg bucket\u003c\/li\u003e\n\u003cli data-end=\"663\" data-start=\"592\" data-section-id=\"1dj29f0\"\u003eCommonly used as a preservative, antioxidant and sterilising agent\u003c\/li\u003e\n\u003cli data-end=\"742\" data-start=\"664\" data-section-id=\"fnnwwd\"\u003eIdeal for brewing, winemaking, food preparation and cleaning applications\u003c\/li\u003e\n\u003cli data-end=\"801\" data-start=\"743\" data-section-id=\"rp3xps\"\u003eSupplied in strong, moisture-resistant HDPE packaging\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 data-end=\"815\" data-start=\"803\" data-section-id=\"1aocqvj\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"815\" data-start=\"806\"\u003eUses:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-end=\"989\" data-start=\"816\"\u003e\n\u003cli data-end=\"862\" data-start=\"816\" data-section-id=\"a7akzr\"\u003eFood preservation and antioxidant support\u003c\/li\u003e\n\u003cli data-end=\"888\" data-start=\"863\" data-section-id=\"ym16nk\"\u003eWine and beer making\u003c\/li\u003e\n\u003cli data-end=\"914\" data-start=\"889\" data-section-id=\"1d92ibt\"\u003eEquipment sanitising\u003c\/li\u003e\n\u003cli data-end=\"949\" data-start=\"915\" data-section-id=\"10dh1lv\"\u003eFruit and vegetable treatment\u003c\/li\u003e\n\u003cli data-end=\"989\" data-start=\"950\" data-section-id=\"svbicl\"\u003eWater treatment and dechlorination\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 data-end=\"1017\" data-start=\"991\" data-section-id=\"12bcvds\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1017\" data-start=\"994\"\u003e📋 Product Details:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1112\" data-start=\"1018\"\u003e\u003cstrong data-end=\"1029\" data-start=\"1018\"\u003eWeight:\u003c\/strong\u003e 250g, 500g, 1.5kg, 5kg\u003cbr data-end=\"1049\" data-start=\"1046\"\u003e\u003cstrong data-end=\"1059\" data-start=\"1049\"\u003eGrade:\u003c\/strong\u003e Food Grade\u003cbr data-end=\"1073\" data-start=\"1070\"\u003e\u003cstrong data-end=\"1082\" data-start=\"1073\"\u003eForm:\u003c\/strong\u003e Powder \/ crystalline powder\u003c\/p\u003e\n\u003ch2 data-end=\"1157\" data-start=\"1114\" data-section-id=\"hlhnh9\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1157\" data-start=\"1117\"\u003eHow to Use – 5 Popular Applications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1397\" data-start=\"1159\"\u003e\u003cstrong data-end=\"1186\" data-start=\"1159\"\u003e1. Winemaking Sanitiser\u003c\/strong\u003e\u003cbr data-end=\"1189\" data-start=\"1186\"\u003eDissolve approximately 10g in 1 litre of clean water. Use the solution to rinse bottles, demijohns and equipment. Allow items to drain fully before use. Avoid inhaling fumes and use in a well-ventilated area.\u003c\/p\u003e\n\u003cp data-end=\"1607\" data-start=\"1399\"\u003e\u003cstrong data-end=\"1432\" data-start=\"1399\"\u003e2. Brewing Equipment Cleaning\u003c\/strong\u003e\u003cbr data-end=\"1435\" data-start=\"1432\"\u003eMix 5–10g per 1 litre of water. Apply to brewing tools, pipes or containers, then rinse thoroughly with clean water where required. Wear gloves and avoid contact with eyes.\u003c\/p\u003e\n\u003cp data-end=\"1828\" data-start=\"1609\"\u003e\u003cstrong data-end=\"1642\" data-start=\"1609\"\u003e3. Fruit Preservation Support\u003c\/strong\u003e\u003cbr data-end=\"1645\" data-start=\"1642\"\u003eUse only according to an approved food recipe or regulated dosage. Dissolve the required amount fully in water before applying to fruit. Do not exceed recommended limits for food use.\u003c\/p\u003e\n\u003cp data-end=\"2022\" data-start=\"1830\"\u003e\u003cstrong data-end=\"1867\" data-start=\"1830\"\u003e4. Antioxidant in Food Processing\u003c\/strong\u003e\u003cbr data-end=\"1870\" data-start=\"1867\"\u003eAdd only in controlled, food-safe quantities according to your recipe, process or local regulations. Measure accurately in grams using a suitable scale.\u003c\/p\u003e\n\u003cp data-end=\"2218\" data-start=\"2024\"\u003e\u003cstrong data-end=\"2051\" data-start=\"2024\"\u003e5. Water Dechlorination\u003c\/strong\u003e\u003cbr data-end=\"2054\" data-start=\"2051\"\u003eUse very small measured amounts depending on water volume and chlorine level. Dissolve completely before adding. Do not overdose, and test treated water before use.\u003c\/p\u003e\n\u003ch2 data-end=\"2242\" data-start=\"2220\" data-section-id=\"cja1a2\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2242\" data-start=\"2223\"\u003e📈 Other Names:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2593\" data-start=\"2243\"\u003eSodium Metabisulphite Food Grade, Sodium Metabisulfite 99%, Sodium Pyrosulphite, Sodium Pyrosulfite, E223 Preservative, Food Grade Preservative Powder, Wine Making Sodium Metabisulphite, Brewing Sanitiser Powder, Campden Powder Alternative, Antioxidant Food Additive, Sodium Metabisulphite 500g, Sodium Metabisulphite 1.5kg, Sodium Metabisulphite 5kg\u003c\/p\u003e\n\u003ch2 data-end=\"2607\" data-start=\"2595\" data-section-id=\"nc4yrk\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2607\" data-start=\"2598\"\u003e❓ FAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2730\" data-start=\"2609\"\u003e\u003cstrong data-end=\"2657\" data-start=\"2609\"\u003e1. Is this Sodium Metabisulphite food grade?\u003c\/strong\u003e\u003cbr data-end=\"2660\" data-start=\"2657\"\u003eYes, this product is supplied as 99% food grade Sodium Metabisulphite.\u003c\/p\u003e\n\u003cp data-end=\"2850\" data-start=\"2732\"\u003e\u003cstrong data-end=\"2774\" data-start=\"2732\"\u003e2. What packaging sizes are available?\u003c\/strong\u003e\u003cbr data-end=\"2777\" data-start=\"2774\"\u003eIt is available in 250g Alubag, 500g (2 x 250g Alubag - depend on stock), 500g HDPE bottle, 1.5kg HDPE jerry can and 5kg bucket.\u003c\/p\u003e\n\u003cp data-end=\"2993\" data-start=\"2852\"\u003e\u003cstrong data-end=\"2899\" data-start=\"2852\"\u003e3. Can it be used for wine and beer making?\u003c\/strong\u003e\u003cbr data-end=\"2902\" data-start=\"2899\"\u003eYes, it is commonly used in winemaking and brewing for sanitising and antioxidant purposes.\u003c\/p\u003e\n\u003cp data-end=\"3110\" data-start=\"2995\"\u003e\u003cstrong data-end=\"3044\" data-start=\"2995\"\u003e4. Is Sodium Metabisulphite the same as E223?\u003c\/strong\u003e\u003cbr data-end=\"3047\" data-start=\"3044\"\u003eYes, Sodium Metabisulphite is also known as food additive E223.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"3244\" data-start=\"3112\"\u003e\u003cstrong data-end=\"3143\" data-start=\"3112\"\u003e5. How should it be stored?\u003c\/strong\u003e\u003cbr data-end=\"3146\" data-start=\"3143\"\u003eStore tightly sealed in a cool, dry, well-ventilated place away from moisture, acids and children.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\n\u003ch2 data-end=\"69\" data-start=\"0\" data-section-id=\"1cihman\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"69\" data-start=\"3\"\u003eTechnical Specification – Sodium Metabisulphite 99% Food Grade\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"313\" data-start=\"71\"\u003e\u003cstrong data-end=\"88\" data-start=\"71\"\u003eProduct Name:\u003c\/strong\u003e Sodium Metabisulphite\u003cbr data-end=\"113\" data-start=\"110\"\u003e\u003cstrong data-end=\"134\" data-start=\"113\"\u003eChemical Formula:\u003c\/strong\u003e Na₂S₂O₅\u003cbr data-end=\"145\" data-start=\"142\"\u003e\u003cstrong data-end=\"160\" data-start=\"145\"\u003eAppearance:\u003c\/strong\u003e White crystalline powder\u003cbr data-end=\"188\" data-start=\"185\"\u003e\u003cstrong data-end=\"198\" data-start=\"188\"\u003eGrade:\u003c\/strong\u003e Food Grade\u003cbr data-end=\"212\" data-start=\"209\"\u003e\u003cstrong data-end=\"227\" data-start=\"212\"\u003eCAS Number:\u003c\/strong\u003e 7681-57-4\u003cbr data-end=\"240\" data-start=\"237\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"262\" data-start=\"240\"\u003ePackaging Options:\u003c\/strong\u003e 250g Alubag, 500g HDPE Bottle, 1.5kg HDPE Jerry Can, 5kg Bucket\u003c\/p\u003e\n\u003ch3 data-end=\"358\" data-start=\"315\" data-section-id=\"g3qbbz\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"358\" data-start=\"319\"\u003ePhysical \u0026amp; Chemical Characteristics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"1119\" data-start=\"360\"\u003e\n\u003cthead data-end=\"406\" data-start=\"360\"\u003e\n\u003ctr data-end=\"406\" data-start=\"360\"\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"372\" data-start=\"360\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"388\" data-start=\"372\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"406\" data-start=\"388\"\u003eTypical Result\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"1119\" data-start=\"453\"\u003e\n\u003ctr data-end=\"505\" data-start=\"453\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"466\" data-start=\"453\"\u003eAppearance\u003c\/td\u003e\n\u003ctd data-end=\"493\" data-start=\"466\" data-col-size=\"sm\"\u003eWhite crystalline powder\u003c\/td\u003e\n\u003ctd data-end=\"505\" data-start=\"493\" data-col-size=\"sm\"\u003eConforms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"582\" data-start=\"506\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"532\" data-start=\"506\"\u003e20% Solution Appearance\u003c\/td\u003e\n\u003ctd data-end=\"570\" data-start=\"532\" data-col-size=\"sm\"\u003eClear and colourless or pale yellow\u003c\/td\u003e\n\u003ctd data-end=\"582\" data-start=\"570\" data-col-size=\"sm\"\u003eConforms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"618\" data-start=\"583\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"601\" data-start=\"583\"\u003eAssay (Na₂S₂O₅)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"609\" data-start=\"601\"\u003e\u0026gt; 98%\u003c\/td\u003e\n\u003ctd data-end=\"618\" data-start=\"609\" data-col-size=\"sm\"\u003e\u0026gt; 98%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"660\" data-start=\"619\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"643\" data-start=\"619\"\u003eSulphur Dioxide (SO₂)\u003c\/td\u003e\n\u003ctd data-end=\"651\" data-start=\"643\" data-col-size=\"sm\"\u003e\u0026gt; 66%\u003c\/td\u003e\n\u003ctd data-end=\"660\" data-start=\"651\" data-col-size=\"sm\"\u003e\u0026gt; 66%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"707\" data-start=\"661\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"686\" data-start=\"661\"\u003eThiosulphate (as S₂O₃)\u003c\/td\u003e\n\u003ctd data-end=\"696\" data-start=\"686\" data-col-size=\"sm\"\u003e\u0026lt; 0.04%\u003c\/td\u003e\n\u003ctd data-end=\"707\" data-start=\"696\" data-col-size=\"sm\"\u003e\u0026lt; 0.04%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"745\" data-start=\"708\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"720\" data-start=\"708\"\u003eIron (Fe)\u003c\/td\u003e\n\u003ctd data-end=\"732\" data-start=\"720\" data-col-size=\"sm\"\u003e\u0026lt; 0.0005%\u003c\/td\u003e\n\u003ctd data-end=\"745\" data-start=\"732\" data-col-size=\"sm\"\u003e\u0026lt; 0.0005%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"792\" data-start=\"746\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"769\" data-start=\"746\"\u003eHeavy Metals (as Pb)\u003c\/td\u003e\n\u003ctd data-end=\"780\" data-start=\"769\" data-col-size=\"sm\"\u003e\u0026lt; 0.001%\u003c\/td\u003e\n\u003ctd data-end=\"792\" data-start=\"780\" data-col-size=\"sm\"\u003e\u0026lt; 0.001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"834\" data-start=\"793\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"809\" data-start=\"793\"\u003eSelenium (Se)\u003c\/td\u003e\n\u003ctd data-end=\"821\" data-start=\"809\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003ctd data-end=\"834\" data-start=\"821\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"875\" data-start=\"835\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"850\" data-start=\"835\"\u003eArsenic (As)\u003c\/td\u003e\n\u003ctd data-end=\"862\" data-start=\"850\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003ctd data-end=\"875\" data-start=\"862\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"913\" data-start=\"876\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"888\" data-start=\"876\"\u003eLead (Pb)\u003c\/td\u003e\n\u003ctd data-end=\"900\" data-start=\"888\" data-col-size=\"sm\"\u003e\u0026lt; 0.0002%\u003c\/td\u003e\n\u003ctd data-end=\"913\" data-start=\"900\" data-col-size=\"sm\"\u003e\u0026lt; 0.0002%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"954\" data-start=\"914\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"929\" data-start=\"914\"\u003eMercury (Hg)\u003c\/td\u003e\n\u003ctd data-end=\"941\" data-start=\"929\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003ctd data-end=\"954\" data-start=\"941\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"996\" data-start=\"955\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"971\" data-start=\"955\"\u003eAntimony (Sb)\u003c\/td\u003e\n\u003ctd data-end=\"983\" data-start=\"971\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003ctd data-end=\"996\" data-start=\"983\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1037\" data-start=\"997\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1012\" data-start=\"997\"\u003eCadmium (Cd)\u003c\/td\u003e\n\u003ctd data-end=\"1024\" data-start=\"1012\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003ctd data-end=\"1037\" data-start=\"1024\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1079\" data-start=\"1038\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1054\" data-start=\"1038\"\u003eChromium (Cr)\u003c\/td\u003e\n\u003ctd data-end=\"1066\" data-start=\"1054\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003ctd data-end=\"1079\" data-start=\"1066\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1119\" data-start=\"1080\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1094\" data-start=\"1080\"\u003eNickel (Ni)\u003c\/td\u003e\n\u003ctd data-end=\"1106\" data-start=\"1094\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003ctd data-end=\"1119\" data-start=\"1106\" data-col-size=\"sm\"\u003e\u0026lt; 0.0001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-end=\"1148\" data-start=\"1121\" data-section-id=\"p7l1k7\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1148\" data-start=\"1125\"\u003eQuality Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1462\" data-start=\"1149\"\u003e\n\u003cli data-end=\"1222\" data-start=\"1149\" data-section-id=\"53chlm\"\u003eHigh-purity Sodium Metabisulphite suitable for food-grade applications.\u003c\/li\u003e\n\u003cli data-end=\"1303\" data-start=\"1223\" data-section-id=\"159b68o\"\u003eConsistent white crystalline powder with excellent solubility characteristics.\u003c\/li\u003e\n\u003cli data-end=\"1330\" data-start=\"1304\" data-section-id=\"15bpeix\"\u003eLow heavy metal content.\u003c\/li\u003e\n\u003cli data-end=\"1462\" data-start=\"1331\" data-section-id=\"ucmf6l\"\u003eSuitable for food processing, brewing, winemaking, preservation and industrial applications where food-grade quality is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"Sodium Metabisulphite 99% - food preservative, cleaner, bleaching agent\" src=\"https:\/\/www.youtube.com\/embed\/TmJ1cLe6q7k\" height=\"669\" width=\"1189\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ca title=\"Sodium Metabislphite\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/Sodium_Metabisulphite_MSDS_HD_Chemicals_LTD.pdf?v=1611227376\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/PDF_MSDS_LOGO_PNG.png?v=1610378091\" alt=\"\" width=\"150\" height=\"150\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"HD Chemicals LTD","offers":[{"title":"250g Alu Bag","offer_id":55577515360632,"sku":"SOME250ALU","price":7.99,"currency_code":"GBP","in_stock":true},{"title":"500g Alu Bag","offer_id":55577515393400,"sku":"SOME250ALU x 2","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"500g HDPE Bottle","offer_id":37557849587862,"sku":"SOME500","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"1500g HDPE Jerry Can","offer_id":37557849620630,"sku":"SOME1500","price":13.99,"currency_code":"GBP","in_stock":true},{"title":"5000g Bucket","offer_id":37557849653398,"sku":"SOME5000","price":35.99,"currency_code":"GBP","in_stock":true},{"title":"15kg Bucket CLEARANCE","offer_id":55266211627384,"sku":"SOME 15KG","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/products\/SODIUMMETABISULPHITE2000x2000.png?v=1620899930"},{"product_id":"sodium-carbonate-99-5","title":"Sodium Carbonate 99.5%","description":"\u003ch2 style=\"text-align: center;\"\u003eSodium Carbonate 99.5%\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eBuy 2 items get 1 at 25% off\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e(add 3 to the basket)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: justify;\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-WEB:e6ae1775-a3fa-484d-b59d-d7c9d81ad654-123\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-2\" data-turn-id-container=\"request-WEB:e6ae1775-a3fa-484d-b59d-d7c9d81ad654-123\" data-turn-id=\"request-WEB:e6ae1775-a3fa-484d-b59d-d7c9d81ad654-123\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5-thinking\" dir=\"auto\" data-message-id=\"6adf7f87-ac8d-4df4-aeff-6b0d50f38ada\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHigh-purity Sodium Carbonate 99.5%, also known as Soda Ash or Washing Soda, available in convenient 400g and 1.5kg packaging options. Ideal for laundry enhancement, water softening, pH adjustment, degreasing, cleaning applications, and general household or industrial use. Supplied in secure, resealable containers for freshness and easy storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✅ High Purity 99.5% Sodium Carbonate\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Excellent cleaning and degreasing performance\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Effective water softener and pH adjuster\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Available in convenient 400g and 1.5kg sizes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Secure packaging for long-term storage\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eUses\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003col start=\"1\" data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLaundry booster and water softener\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHousehold and industrial cleaning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGrease and oil removal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWater treatment and pH adjustment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrain and surface maintenance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e📋 Product Details\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 400g or 1.5kg\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eGrade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 99.5%\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eForm:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e White Powder \/ Granules\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePackaging:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 400g Alubag, 400g HDPE Bottle, 1.5kg Jerry Can\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e📈 Other Names\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSodium Carbonate, Soda Ash, Washing Soda, Soda Ash Light, Laundry Soda, Cleaning Soda, Water Softener Powder, pH Increaser, Sodium Carbonate Powder, Pure Sodium Carbonate, Industrial Soda Ash, Household Cleaning Powder, Sodium Carbonate 99.5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eHow to Use\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. Laundry Booster\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eAdd 20–50g to the washing machine drum.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWash as normal.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps soften hard water and improve detergent performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e2. Surface Cleaning Solution\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDissolve 50g in 1 litre of warm water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApply using a cloth or sponge.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRinse surfaces thoroughly after cleaning.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e3. Degreasing Heavy Dirt\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eMix 100g with 1 litre of hot water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApply to greasy surfaces.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLeave for several minutes before rinsing.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e4. Water pH Adjustment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eAdd small measured amounts gradually.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTest pH levels after each addition.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRepeat until the desired pH is achieved.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e5. Drain Maintenance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePour 50–100g into the drain.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFollow with hot water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllow to work before flushing thoroughly.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSafety Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eWear gloves and eye protection when handling.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvoid breathing dust.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvoid contact with eyes and skin.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDo not mix with acids.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStore in a cool, dry place with the container tightly sealed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep out of reach of children and pets.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e❓FAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. What is Sodium Carbonate used for?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSodium Carbonate is commonly used for cleaning, laundry enhancement, water softening, pH adjustment, and degreasing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2. Is Sodium Carbonate the same as Washing Soda?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes, Sodium Carbonate is commonly known as Washing Soda or Soda Ash.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e3. Can it help soften hard water?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes, it binds minerals that cause water hardness, improving cleaning performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4. Is this product food grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo, this product is not sold or intended for food use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e5. How should I store Sodium Carbonate?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eStore in a cool, dry location away from moisture, acids, children, and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e🔬 Technical Specification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChemical Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sodium Carbonate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eChemical Formula:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Na₂CO₃\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCAS Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 497-19-8\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eEC Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 207-838-8\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePurity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 99.5% Min\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAppearance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e White crystalline powder \/ granules\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOdour:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Odourless\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMolecular Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 105.99 g\/mol\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003epH (1% Solution):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 11.0 – 11.6\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSolubility in Water:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 215 g\/L at 20°C\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDensity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 2.53 g\/cm³\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMelting Point:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 851°C\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFlash Point:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Not applicable (non-flammable)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBoiling Point:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Decomposes before boiling\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eStorage Conditions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Store in a cool, dry, well-ventilated area. Keep container tightly closed and protected from moisture.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eShelf Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Minimum 24 months when stored under recommended conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca title=\"Sodium Carbonate\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/Sodium_Carbonate_MSDS_HD_Chemicals_LTD.pdf?v=1611738770\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/PDF_MSDS_LOGO_PNG.png?v=1610378091\" alt=\"\" width=\"150\" height=\"150\"\u003e\u003c\/a\u003e\u003c\/div\u003e","brand":"HD Chemicals LTD","offers":[{"title":"400g Alubag","offer_id":31246623309959,"sku":"SOCA400ALU","price":7.99,"currency_code":"GBP","in_stock":true},{"title":"400 g HDPE Bottle","offer_id":15015769702463,"sku":"SOCA400","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"1500 g Jerry Can","offer_id":15015769735231,"sku":"SOCA1500","price":11.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/products\/SODIUMCARBONATE2000x2000.png?v=1620899744"},{"product_id":"calcium-hydroxide-90","title":"Calcium Hydroxide 90%","description":"\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eBuy 2 items get 1 at 25% off\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e(add 3 to the basket)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-start=\"22\" data-end=\"115\"\u003eCalcium Hydroxide Ca(OH)₂ Pure 90% Reef Kalkwasser Hydrated Lime – 1kg Jerry Can \/ 3kg Bucket\u003c\/p\u003e\n\u003ch2 data-section-id=\"b4d2fr\" data-start=\"117\" data-end=\"141\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"120\" data-end=\"141\"\u003eProduct Overview:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"142\" data-end=\"447\"\u003eHigh-quality Calcium Hydroxide Ca(OH)₂, also known as Hydrated Lime or Reef Kalkwasser, supplied in 1kg jerry can or 3kg bucket. Ideal for reef aquarium calcium supplementation, pH support, laboratory use, water treatment and general technical applications. Fine powder form for easy measuring and mixing.\u003c\/p\u003e\n\u003ch2 data-section-id=\"18htyq7\" data-start=\"449\" data-end=\"469\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"452\" data-end=\"469\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-start=\"470\" data-end=\"691\"\u003e\n\u003cli data-section-id=\"1450mbq\" data-start=\"470\" data-end=\"507\"\u003ePure Calcium Hydroxide Ca(OH)₂ 90%\u003c\/li\u003e\n\u003cli data-section-id=\"vsx0d1\" data-start=\"508\" data-end=\"560\"\u003eSuitable for reef aquarium Kalkwasser preparation\u003c\/li\u003e\n\u003cli data-section-id=\"1yqvhpr\" data-start=\"561\" data-end=\"607\"\u003eHelps support calcium and alkalinity levels\u003c\/li\u003e\n\u003cli data-section-id=\"1a8vr7y\" data-start=\"608\" data-end=\"644\"\u003eFine white powder for easy mixing\u003c\/li\u003e\n\u003cli data-section-id=\"tguhj1\" data-start=\"645\" data-end=\"691\"\u003eSupplied in resealable 1kg or 3kg packaging\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 data-section-id=\"1aocqvj\" data-start=\"693\" data-end=\"705\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"696\" data-end=\"705\"\u003eUses:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-start=\"706\" data-end=\"891\"\u003e\n\u003cli data-section-id=\"1jobgak\" data-start=\"706\" data-end=\"742\"\u003eReef aquarium Kalkwasser solution\u003c\/li\u003e\n\u003cli data-section-id=\"1a9xre6\" data-start=\"743\" data-end=\"779\"\u003epH adjustment in suitable systems\u003c\/li\u003e\n\u003cli data-section-id=\"1vsu8e8\" data-start=\"780\" data-end=\"811\"\u003eWater treatment applications\u003c\/li\u003e\n\u003cli data-section-id=\"e35rsj\" data-start=\"812\" data-end=\"845\"\u003eLaboratory and educational use\u003c\/li\u003e\n\u003cli data-section-id=\"19iagth\" data-start=\"846\" data-end=\"891\"\u003eTechnical and industrial lime applications\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 data-section-id=\"12bcvds\" data-start=\"893\" data-end=\"919\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"896\" data-end=\"919\"\u003e📋 Product Details:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"920\" data-end=\"1118\"\u003e\u003cstrong data-start=\"920\" data-end=\"931\"\u003eWeight:\u003c\/strong\u003e 1kg Jerry Can \/ 3kg Bucket\u003cbr data-start=\"958\" data-end=\"961\"\u003e\u003cstrong data-start=\"961\" data-end=\"971\"\u003eGrade:\u003c\/strong\u003e Pure 90% Technical Grade\u003cbr data-start=\"996\" data-end=\"999\"\u003e\u003cstrong data-start=\"999\" data-end=\"1008\"\u003eForm:\u003c\/strong\u003e Fine Powder\u003cbr data-start=\"1020\" data-end=\"1023\"\u003e\u003cstrong data-start=\"1023\" data-end=\"1044\"\u003eChemical Formula:\u003c\/strong\u003e Ca(OH)₂\u003cbr data-start=\"1052\" data-end=\"1055\"\u003e\u003cstrong data-start=\"1055\" data-end=\"1070\"\u003eOther Name:\u003c\/strong\u003e Hydrated Lime \/ Slaked Lime \/ Kalkwasser Powder\u003c\/p\u003e\n\u003ch2 data-section-id=\"132z66g\" data-start=\"1120\" data-end=\"1161\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1123\" data-end=\"1161\"\u003eHow to Use – Popular Applications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-start=\"1163\" data-end=\"2153\"\u003e\n\u003cli data-section-id=\"1sgfzwp\" data-start=\"1163\" data-end=\"1416\"\u003e\n\u003cstrong data-start=\"1166\" data-end=\"1194\"\u003eReef Aquarium Kalkwasser\u003c\/strong\u003e\n\u003cul data-start=\"1198\" data-end=\"1416\"\u003e\n\u003cli data-section-id=\"5ej9xp\" data-start=\"1198\" data-end=\"1259\"\u003eMix approximately 1–2 grams per litre of fresh RO\/DI water.\u003c\/li\u003e\n\u003cli data-section-id=\"1fcnblk\" data-start=\"1263\" data-end=\"1316\"\u003eStir gently and allow undissolved powder to settle.\u003c\/li\u003e\n\u003cli data-section-id=\"1vlsntf\" data-start=\"1320\" data-end=\"1374\"\u003eDose only the clear liquid slowly into the aquarium.\u003c\/li\u003e\n\u003cli data-section-id=\"il1wh6\" data-start=\"1378\" data-end=\"1416\"\u003eAvoid direct contact with livestock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1n80jxb\" data-start=\"1418\" data-end=\"1601\"\u003e\n\u003cstrong data-start=\"1421\" data-end=\"1444\"\u003eAquarium pH Support\u003c\/strong\u003e\n\u003cul data-start=\"1448\" data-end=\"1601\"\u003e\n\u003cli data-section-id=\"ri7mi3\" data-start=\"1448\" data-end=\"1485\"\u003ePrepare a weak Kalkwasser solution.\u003c\/li\u003e\n\u003cli data-section-id=\"1web2yo\" data-start=\"1489\" data-end=\"1527\"\u003eAdd gradually using a dosing system.\u003c\/li\u003e\n\u003cli data-section-id=\"19wsiza\" data-start=\"1531\" data-end=\"1579\"\u003eMonitor pH carefully with a reliable test kit.\u003c\/li\u003e\n\u003cli data-section-id=\"1yr8off\" data-start=\"1583\" data-end=\"1601\"\u003eDo not overdose.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9v0f6s\" data-start=\"1603\" data-end=\"1788\"\u003e\n\u003cstrong data-start=\"1606\" data-end=\"1633\"\u003eCalcium Supplementation\u003c\/strong\u003e\n\u003cul data-start=\"1637\" data-end=\"1788\"\u003e\n\u003cli data-section-id=\"8mkq8k\" data-start=\"1637\" data-end=\"1697\"\u003eUse clear saturated limewater as part of reef maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"1mxna8r\" data-start=\"1701\" data-end=\"1744\"\u003eDose in small amounts over several hours.\u003c\/li\u003e\n\u003cli data-section-id=\"15lmsow\" data-start=\"1748\" data-end=\"1788\"\u003eTest calcium and alkalinity regularly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13rxx72\" data-start=\"1790\" data-end=\"1954\"\u003e\n\u003cstrong data-start=\"1793\" data-end=\"1812\"\u003eWater Treatment\u003c\/strong\u003e\n\u003cul data-start=\"1816\" data-end=\"1954\"\u003e\n\u003cli data-section-id=\"q6cu8o\" data-start=\"1816\" data-end=\"1891\"\u003eAdd measured quantities depending on water volume and required pH change.\u003c\/li\u003e\n\u003cli data-section-id=\"196y4kb\" data-start=\"1895\" data-end=\"1912\"\u003eMix thoroughly.\u003c\/li\u003e\n\u003cli data-section-id=\"vorfm4\" data-start=\"1916\" data-end=\"1954\"\u003eAlways test pH before and after use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mb2eco\" data-start=\"1956\" data-end=\"2153\"\u003e\n\u003cstrong data-start=\"1959\" data-end=\"1989\"\u003eLaboratory \/ Technical Use\u003c\/strong\u003e\n\u003cul data-start=\"1993\" data-end=\"2153\"\u003e\n\u003cli data-section-id=\"6fpb6i\" data-start=\"1993\" data-end=\"2026\"\u003eWeigh required amount in grams.\u003c\/li\u003e\n\u003cli data-section-id=\"1azpenx\" data-start=\"2030\" data-end=\"2071\"\u003eMix with water in a suitable container.\u003c\/li\u003e\n\u003cli data-section-id=\"1var8kc\" data-start=\"2075\" data-end=\"2119\"\u003eWear gloves, eye protection and dust mask.\u003c\/li\u003e\n\u003cli data-section-id=\"gukqxd\" data-start=\"2123\" data-end=\"2153\"\u003eStore sealed in a dry place.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 data-section-id=\"1dztskv\" data-start=\"2155\" data-end=\"2181\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2158\" data-end=\"2181\"\u003eSafety Information:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2182\" data-end=\"2385\"\u003eCalcium Hydroxide is alkaline and may cause skin, eye and respiratory irritation. Wear gloves, goggles and avoid inhaling dust. Keep away from children and pets. Store tightly sealed in a cool, dry area.\u003c\/p\u003e\n\u003ch2 data-section-id=\"cja1a2\" data-start=\"2387\" data-end=\"2409\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2390\" data-end=\"2409\"\u003e📈 Other Names:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2410\" data-end=\"2691\"\u003eCalcium Hydroxide Powder, Ca(OH)₂, Hydrated Lime, Slaked Lime, Reef Kalkwasser, Kalkwasser Powder, Aquarium Calcium Hydroxide, Limewater Powder, Pure Hydrated Lime, Technical Calcium Hydroxide, Reef Tank Calcium Supplement, Marine Aquarium Kalkwasser, High Purity Calcium Hydroxide\u003c\/p\u003e\n\u003ch2 data-section-id=\"1648aao\" data-start=\"2693\" data-end=\"2704\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2696\" data-end=\"2704\"\u003e❓FAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2706\" data-end=\"2840\"\u003e\u003cstrong data-start=\"2706\" data-end=\"2749\"\u003e1. Is this suitable for reef aquariums?\u003c\/strong\u003e\u003cbr data-start=\"2749\" data-end=\"2752\"\u003eYes, it is commonly used to prepare Kalkwasser for reef aquarium calcium and pH support.\u003c\/p\u003e\n\u003cp data-start=\"2842\" data-end=\"2922\"\u003e\u003cstrong data-start=\"2842\" data-end=\"2868\"\u003e2. What is the purity?\u003c\/strong\u003e\u003cbr data-start=\"2868\" data-end=\"2871\"\u003eThis product is Calcium Hydroxide Ca(OH)₂ Pure 90%.\u003c\/p\u003e\n\u003cp data-start=\"2924\" data-end=\"3010\"\u003e\u003cstrong data-start=\"2924\" data-end=\"2966\"\u003e3. What packaging sizes are available?\u003c\/strong\u003e\u003cbr data-start=\"2966\" data-end=\"2969\"\u003eAvailable as 1kg jerry can or 3kg bucket.\u003c\/p\u003e\n\u003cp data-start=\"3012\" data-end=\"3159\"\u003e\u003cstrong data-start=\"3012\" data-end=\"3061\"\u003e4. Can it be mixed directly into an aquarium?\u003c\/strong\u003e\u003cbr data-start=\"3061\" data-end=\"3064\"\u003eNo. Mix with RO\/DI water first, allow solids to settle, then dose only the clear liquid slowly.\u003c\/p\u003e\n\u003cp data-start=\"3161\" data-end=\"3294\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"3161\" data-end=\"3202\"\u003e5. Is this the same as hydrated lime?\u003c\/strong\u003e\u003cbr data-start=\"3202\" data-end=\"3205\"\u003eYes, Calcium Hydroxide is also known as Hydrated Lime, Slaked Lime and Kalkwasser powder.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"1189\" height=\"669\" src=\"https:\/\/www.youtube.com\/embed\/1BxNiYzoAvw\" title=\"Calcium Hydroxide 90% - Slaked lime, Building lime,Mason’s lime, Calcium hydrate, Calcium Lime\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"color: #ff2a00;\"\u003eBuyer assumes all responsibility for safety and use not in accordance with directions.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/Calcium_Hydroxide_MSDS_HD_Chemicals_LTD.pdf?v=1611143817\" title=\"Calcium Hydroxide\" target=\"_blank\"\u003e\u003cimg height=\"150\" width=\"150\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/PDF_MSDS_LOGO_PNG.png?v=1610378091\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e","brand":"HD Chemicals LTD","offers":[{"title":"1000g HDPE Jerry Can","offer_id":15478920118335,"sku":"CAHY1000","price":11.99,"currency_code":"GBP","in_stock":true},{"title":"3000g Bucket","offer_id":15530714824767,"sku":"CAHY3000","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/products\/CALCIUM_HYDROXIDE_2000x2000_1000g.png?v=1563366020"},{"product_id":"sodium-hypochlorite-14-15","title":"Sodium Hypochlorite 5%","description":"\u003ch3 data-start=\"254\" data-end=\"334\" class=\"\"\u003e\u003cstrong data-start=\"258\" data-end=\"334\"\u003eSodium Hypochlorite 5% Solution – Powerful Disinfectant \u0026amp; Cleaning Agent\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"336\" data-end=\"655\" class=\"\"\u003e\u003cstrong data-start=\"336\" data-end=\"362\"\u003eSodium Hypochlorite 5%\u003c\/strong\u003e is a highly effective, broad-spectrum disinfectant and cleaning solution widely used for domestic, commercial, and industrial applications. This ready-to-dilute liquid solution is ideal for sanitising surfaces, disinfecting water systems, treating swimming pools, and cleaning hard surfaces.\u003c\/p\u003e\n\u003cp data-start=\"657\" data-end=\"885\" class=\"\"\u003eOur 5% concentration offers strong cleaning power while remaining within the \u003cstrong data-start=\"734\" data-end=\"773\"\u003elegal concentration limit in the UK\u003c\/strong\u003e, meaning \u003cstrong data-start=\"783\" data-end=\"856\"\u003eno special license or professional handling certification is required\u003c\/strong\u003e for purchase or general use.\u003c\/p\u003e\n\u003chr data-start=\"887\" data-end=\"890\" class=\"\"\u003e\n\u003ch3 data-start=\"892\" data-end=\"913\" class=\"\"\u003e\u003cstrong data-start=\"896\" data-end=\"913\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"914\" data-end=\"1286\"\u003e\n\u003cli data-start=\"914\" data-end=\"977\" class=\"\"\u003e\n\u003cp data-start=\"916\" data-end=\"977\" class=\"\"\u003e\u003cstrong data-start=\"916\" data-end=\"952\"\u003e5% active chlorine concentration\u003c\/strong\u003e – powerful and effective\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"978\" data-end=\"1025\" class=\"\"\u003e\n\u003cp data-start=\"980\" data-end=\"1025\" class=\"\"\u003e\u003cstrong data-start=\"980\" data-end=\"1003\"\u003eNo license required\u003c\/strong\u003e under current UK laws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1026\" data-end=\"1084\" class=\"\"\u003e\n\u003cp data-start=\"1028\" data-end=\"1084\" class=\"\"\u003e\u003cstrong data-start=\"1028\" data-end=\"1049\"\u003eMulti-purpose use\u003c\/strong\u003e – domestic, commercial, industrial\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1085\" data-end=\"1144\" class=\"\"\u003e\n\u003cp data-start=\"1087\" data-end=\"1144\" class=\"\"\u003eEffective against \u003cstrong data-start=\"1105\" data-end=\"1144\"\u003ebacteria, viruses, fungi, and algae\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1145\" data-end=\"1209\" class=\"\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1209\" class=\"\"\u003eIdeal for \u003cstrong data-start=\"1157\" data-end=\"1209\"\u003edisinfection, odour control, and water treatment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1210\" data-end=\"1286\" class=\"\"\u003e\n\u003cp data-start=\"1212\" data-end=\"1286\" class=\"\"\u003eSuitable for \u003cstrong data-start=\"1225\" data-end=\"1286\"\u003eswimming pools, kitchens, toilets, hospitals, and schools\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1288\" data-end=\"1291\" class=\"\"\u003e\n\u003ch3 data-start=\"1293\" data-end=\"1313\" class=\"\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1313\"\u003eCommon Uses:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1314\" data-end=\"1658\"\u003e\n\u003cli data-start=\"1314\" data-end=\"1391\" class=\"\"\u003e\n\u003cp data-start=\"1316\" data-end=\"1391\" class=\"\"\u003e\u003cstrong data-start=\"1316\" data-end=\"1340\"\u003eSurface Disinfection\u003c\/strong\u003e – Kitchens, bathrooms, worktops, walls, and floors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1392\" data-end=\"1459\" class=\"\"\u003e\n\u003cp data-start=\"1394\" data-end=\"1459\" class=\"\"\u003e\u003cstrong data-start=\"1394\" data-end=\"1413\"\u003eWater Treatment\u003c\/strong\u003e – Disinfection of storage tanks and pipelines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1460\" data-end=\"1520\" class=\"\"\u003e\n\u003cp data-start=\"1462\" data-end=\"1520\" class=\"\"\u003e\u003cstrong data-start=\"1462\" data-end=\"1491\"\u003eSwimming Pool Maintenance\u003c\/strong\u003e – Chlorination of pool water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1521\" data-end=\"1585\" class=\"\"\u003e\n\u003cp data-start=\"1523\" data-end=\"1585\" class=\"\"\u003e\u003cstrong data-start=\"1523\" data-end=\"1547\"\u003eOdour Neutralisation\u003c\/strong\u003e – Garbage areas, drains, septic tanks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1586\" data-end=\"1658\" class=\"\"\u003e\n\u003cp data-start=\"1588\" data-end=\"1658\" class=\"\"\u003e\u003cstrong data-start=\"1588\" data-end=\"1611\"\u003eIndustrial Cleaning\u003c\/strong\u003e – Warehouses, machinery, food processing areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1660\" data-end=\"1663\" class=\"\"\u003e\n\u003ch3 data-start=\"1665\" data-end=\"1700\" class=\"\"\u003e\u003cstrong data-start=\"1669\" data-end=\"1700\"\u003eRecommended Dilution Rates:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"pointer-events-none relative left-[50%] flex w-[100cqw] translate-x-[-50%] justify-center *:pointer-events-auto\"\u003e\n\u003cdiv class=\"tableContainer horzScrollShadows\"\u003e\n\u003ctable class=\"min-w-full\" data-start=\"1702\" data-end=\"2216\"\u003e\n\u003cthead data-start=\"1702\" data-end=\"1760\"\u003e\n\u003ctr data-start=\"1702\" data-end=\"1760\"\u003e\n\u003cth data-start=\"1702\" data-end=\"1720\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1719\"\u003eApplication\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"1720\" data-end=\"1740\"\u003e\u003cstrong data-start=\"1722\" data-end=\"1739\"\u003eDilution Rate\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"1740\" data-end=\"1760\"\u003e\u003cstrong data-start=\"1742\" data-end=\"1758\"\u003eInstructions\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1820\" data-end=\"2216\"\u003e\n\u003ctr data-start=\"1820\" data-end=\"1915\"\u003e\n\u003ctd class=\"\" data-start=\"1820\" data-end=\"1851\"\u003eGeneral Surface Disinfection\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"1851\" data-end=\"1883\"\u003e1:50 (e.g. 100ml in 5L water)\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"1883\" data-end=\"1915\"\u003eLeave for 5 mins, then rinse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1916\" data-end=\"1998\"\u003e\n\u003ctd class=\"\" data-start=\"1916\" data-end=\"1934\"\u003eToilet Cleaning\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"1934\" data-end=\"1949\"\u003eNeat or 1:10\u003c\/td\u003e\n\u003ctd class=\"min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"1949\" data-end=\"1998\"\u003eApply directly or dilute for regular cleaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1999\" data-end=\"2074\"\u003e\n\u003ctd class=\"\" data-start=\"1999\" data-end=\"2016\"\u003eSwimming Pools\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"2016\" data-end=\"2037\"\u003e10-20ml per 1,000L\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"2037\" data-end=\"2074\"\u003eTest chlorine levels after dosing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2075\" data-end=\"2147\"\u003e\n\u003ctd class=\"\" data-start=\"2075\" data-end=\"2101\"\u003eWater Tank Disinfection\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"2101\" data-end=\"2109\"\u003e1:100\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"2109\" data-end=\"2147\"\u003eFill and circulate before flushing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2148\" data-end=\"2216\"\u003e\n\u003ctd class=\"\" data-start=\"2148\" data-end=\"2169\"\u003eFood Prep Surfaces\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"2169\" data-end=\"2177\"\u003e1:100\u003c\/td\u003e\n\u003ctd class=\"\" data-start=\"2177\" data-end=\"2216\"\u003eRinse thoroughly with potable water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2218\" data-end=\"2221\" class=\"\"\u003e\n\u003ch3 data-start=\"2223\" data-end=\"2263\" class=\"\"\u003e\u003cstrong data-start=\"2227\" data-end=\"2263\"\u003eLegal Compliance – UK Regulation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2265\" data-end=\"2565\" class=\"\"\u003eSodium Hypochlorite at \u003cstrong data-start=\"2288\" data-end=\"2308\"\u003e5% concentration\u003c\/strong\u003e is \u003cstrong data-start=\"2312\" data-end=\"2343\"\u003elegally permitted in the UK\u003c\/strong\u003e for domestic and commercial use without a license. It is \u003cstrong data-start=\"2401\" data-end=\"2435\"\u003ebelow the regulatory threshold\u003c\/strong\u003e that requires hazardous substance handling certification, making it \u003cstrong data-start=\"2504\" data-end=\"2542\"\u003esafe and accessible for most users\u003c\/strong\u003e when used responsibly.\u003c\/p\u003e\n\u003chr data-start=\"2567\" data-end=\"2570\" class=\"\"\u003e\n\u003ch3 data-start=\"2572\" data-end=\"2612\" class=\"\"\u003e\u003cstrong data-start=\"2576\" data-end=\"2612\"\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2614\" data-end=\"2810\" class=\"\"\u003e\u003cstrong data-start=\"2614\" data-end=\"2667\"\u003eQ: Is Sodium Hypochlorite 5% safe to use at home?\u003c\/strong\u003e\u003cbr data-start=\"2667\" data-end=\"2670\"\u003e\u003cstrong data-start=\"2670\" data-end=\"2676\"\u003eA:\u003c\/strong\u003e Yes, it is safe for household use when diluted correctly. Always wear gloves and avoid mixing with other chemicals, especially acids.\u003c\/p\u003e\n\u003cp data-start=\"2812\" data-end=\"2980\" class=\"\"\u003e\u003cstrong data-start=\"2812\" data-end=\"2879\"\u003eQ: Do I need a license to buy Sodium Hypochlorite 5% in the UK?\u003c\/strong\u003e\u003cbr data-start=\"2879\" data-end=\"2882\"\u003e\u003cstrong data-start=\"2882\" data-end=\"2888\"\u003eA:\u003c\/strong\u003e No, 5% Sodium Hypochlorite is legally allowed for sale and use in the UK without a license.\u003c\/p\u003e\n\u003cp data-start=\"2982\" data-end=\"3144\" class=\"\"\u003e\u003cstrong data-start=\"2982\" data-end=\"3024\"\u003eQ: Can I use this in my swimming pool?\u003c\/strong\u003e\u003cbr data-start=\"3024\" data-end=\"3027\"\u003e\u003cstrong data-start=\"3027\" data-end=\"3033\"\u003eA:\u003c\/strong\u003e Yes, it’s suitable for swimming pool chlorination. Ensure proper dosage and monitor chlorine levels regularly.\u003c\/p\u003e\n\u003cp data-start=\"3146\" data-end=\"3299\" class=\"\"\u003e\u003cstrong data-start=\"3146\" data-end=\"3175\"\u003eQ: How long does it last?\u003c\/strong\u003e\u003cbr data-start=\"3175\" data-end=\"3178\"\u003e\u003cstrong data-start=\"3178\" data-end=\"3184\"\u003eA:\u003c\/strong\u003e For best performance, store in a cool, dark place and use within 6 months. The active chlorine degrades over time.\u003c\/p\u003e\n\u003cp data-start=\"3301\" data-end=\"3468\" class=\"\"\u003e\u003cstrong data-start=\"3301\" data-end=\"3349\"\u003eQ: Can I use this in food preparation areas?\u003c\/strong\u003e\u003cbr data-start=\"3349\" data-end=\"3352\"\u003e\u003cstrong data-start=\"3352\" data-end=\"3358\"\u003eA:\u003c\/strong\u003e Yes, but only when diluted appropriately (1:100) and rinsed thoroughly with drinking water after application.\u003c\/p\u003e","brand":"HD Chemicals LTD","offers":[{"title":"500 ml","offer_id":55017542517112,"sku":"SOHY 500","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"2 x 500 ml (1ltr)","offer_id":55017543565688,"sku":"SOHY 500 x 2","price":11.99,"currency_code":"GBP","in_stock":true},{"title":"4 x 500 ml (2ltr)","offer_id":55183261761912,"sku":"SOHY 500 x 4","price":15.99,"currency_code":"GBP","in_stock":true},{"title":"5 ltr","offer_id":55017544974712,"sku":"SOHY 5000","price":27.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/SOHY_5000_HD.png?v=1744715460"},{"product_id":"sodium-bisulphate-92","title":"Sodium Bisulphate 92%","description":"\u003ch2 style=\"text-align: center;\"\u003e \u003cstrong\u003eSodium Bisulphate 92%\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eBuy 1 item get 1 at 10% off\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e(add 2 to the basket)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSodium Bisulphate (Bisulfate) 92% is a versatile dry acid widely used for pH reduction, descaling, cleaning, and water treatment applications. Its granular form makes handling and storage easier than liquid acids, making it suitable for domestic, commercial, and industrial use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ 92% Sodium Bisulphate (Bisulfate)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✔ CAS No: 7681-38-1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✔ Effective pH reducing agent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✔ Ideal for descaling and cleaning applications\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✔ Available in multiple packaging options\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eUses\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLowering pH in water treatment systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDescaling equipment and surfaces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePool and spa pH adjustment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemoving mineral and limescale deposits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral industrial cleaning applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e📋 Product Details\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 500g Alu Bag, 500g HDPE Bottle, 1.5kg HDPE Jerry Can, 3kg Bucket\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCAS Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7681-38-1\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePurity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 92%\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eForm:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Granular \/ Powder\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eChemical Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sodium Bisulphate (Bisulfate)\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e5 Main Uses – Step-by-Step Guide\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. pH Reduction in Water\u003c\/span\u003e\u003c\/h3\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\u003cspan\u003eFill a container with water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdd 10–50g of Sodium Bisulphate per 10 litres of water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStir until dissolved.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTest pH levels.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRepeat if necessary until the desired pH is reached.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cspan\u003e2. Descaling Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\u003cspan\u003eDissolve 50–100g in 1 litre of warm water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApply to scaled surfaces.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLeave for several minutes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eScrub if required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRinse thoroughly with clean water.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cspan\u003e3. Pool \u0026amp; Spa pH Adjustment\u003c\/span\u003e\u003c\/h3\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\u003cspan\u003eTest pool or spa water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCalculate the required dosage.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDissolve the product in water before application.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDistribute evenly around the pool.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRetest pH after circulation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cspan\u003e4. Surface Cleaning\u003c\/span\u003e\u003c\/h3\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\u003cspan\u003ePrepare a diluted solution.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApply to affected areas.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllow contact for a short period.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWipe or scrub as needed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRinse thoroughly with water.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cspan\u003e5. Industrial Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\u003cspan\u003eMeasure the required quantity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdd gradually to the process solution.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStir continuously.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMonitor pH levels.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjust dosage as required.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSafety Information:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAlways wear suitable gloves and eye protection. Avoid inhaling dust. Store in a cool, dry place. Never mix with chlorine, bleach, or alkaline products.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e📈 Other Names\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSodium Bisulfate, Sodium Bisulphate, Sodium Hydrogen Sulfate, Sodium Hydrogen Sulphate, Dry Acid, pH Reducer, Pool pH Minus, Descaling Powder, Water Treatment Chemical, Scale Remover, Acid Salt Cleaner, CAS 7681-38-1, Pool Acid Granules, Water pH Adjuster.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e❓ FAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. What is Sodium Bisulphate used for?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt is commonly used for pH reduction, descaling, cleaning, and water treatment applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2. Is Sodium Bisulphate the same as Sodium Bisulfate?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes, both names refer to the same chemical compound; the spelling varies by region.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e3. Can it be used to remove limescale?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes, it is commonly used to dissolve mineral deposits and limescale build-up.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4. Can it be used in swimming pools?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes, it is widely used to reduce pH levels in pool and spa water.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e5. What packaging options are available?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e500g Alu Bag, 500g HDPE Bottle, 1.5kg HDPE Jerry Can, and 3kg Bucket.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ql-align-justify\"\u003e\u003ciframe title=\"Sodium Bisulphate 92%,  Sodium acid sulphate; dry acid; pH Decreaser, Bisulfate of soda\" src=\"https:\/\/www.youtube.com\/embed\/f5-1zqhTc9o\" height=\"669\" width=\"1189\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sodium Bisulphate (Bisulfate) 92%\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eChemical Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sodium Hydrogen Sulfate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eChemical Formula:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e NaHSO₄\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCAS Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7681-38-1\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eEC Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 231-665-7\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePurity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 92% Min.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAppearance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e White crystalline granules \/ powder\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOdour:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Odourless\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMolecular Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 120.06 g\/mol\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSolubility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Freely soluble in water\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003epH (1% Solution):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Acidic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDensity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approx. 2.4 g\/cm³\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMelting Point:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approx. 315°C (decomposes)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eStorage Conditions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Store in a cool, dry, well-ventilated area in tightly closed containers. Protect from moisture.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePackaging Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 500g Alu Bag, 500g HDPE Bottle, 1.5kg HDPE Jerry Can, 3kg Bucket\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eWater treatment and pH adjustment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePool and spa maintenance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDescaling and limescale removal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndustrial cleaning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChemical processing\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eSafety Information\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eCauses serious eye irritation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMay cause skin irritation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvoid breathing dust.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWear protective gloves and eye protection.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep out of reach of children.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ql-align-justify\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/Sodium_Bisulphate_MSDS_HD_Chemicals_LTD_477fdbd2-693f-4942-b946-38b59abe4a7a.pdf?v=1703667561\" title=\"Sodium Bisulphate MSDS\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/PDF_MSDS_LOGO_PNG.png?v=1610378091\" alt=\"\" width=\"150\" height=\"150\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e","brand":"HD Chemicals LTD","offers":[{"title":"500g Alubag","offer_id":40268174721174,"sku":"SOBI 500ALU","price":7.99,"currency_code":"GBP","in_stock":true},{"title":"500g HDPE Bottle","offer_id":15498440048703,"sku":"SOBI 500","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"1500g HDPE Jerry Can","offer_id":15498440081471,"sku":"SOBI 1500","price":12.99,"currency_code":"GBP","in_stock":true},{"title":"3000g - 3kg","offer_id":42727100514454,"sku":"SOBI 3000","price":19.99,"currency_code":"GBP","in_stock":true},{"title":"6000g - 6kg (2 x 3kg)","offer_id":55640018649464,"sku":"SOBI 3000 x 2","price":37.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/products\/SODIUMBISULPHATE2000x2000.png?v=1626252969"},{"product_id":"aluminium-sulphate","title":"Aluminium Sulphate Powder","description":"\u003ch2 style=\"text-align: center;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eAluminium Sulfate 17% Powder Al2(SO4)3·nH2O Water Treatment \u0026amp; Industrial Grade 250g–3000g\u003c\/p\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003eHigh quality Aluminium Sulfate 17% Powder is a versatile industrial and water treatment chemical widely used for water purification, pH control, dyeing, paper manufacturing, and gardening applications. This high-performance coagulating agent contains approximately 17% Al₂O₃ content and is supplied in secure resealable packaging for safe storage and long shelf life.\u003c\/p\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eAluminium Sulfate 17% Al₂O₃ Content\u003c\/li\u003e\n\u003cli\u003eSuitable for Water Treatment \u0026amp; Industrial Applications\u003c\/li\u003e\n\u003cli\u003eEffective Coagulating \u0026amp; Clarifying Agent\u003c\/li\u003e\n\u003cli\u003eAvailable in Multiple Packaging Sizes\u003c\/li\u003e\n\u003cli\u003eSecure Resealable Aluminium Bags \u0026amp; Heavy-Duty Containers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eUses:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eWater treatment and clarification\u003c\/li\u003e\n\u003cli\u003epH adjustment in industrial processes\u003c\/li\u003e\n\u003cli\u003ePaper manufacturing applications\u003c\/li\u003e\n\u003cli\u003eDyeing and textile processing\u003c\/li\u003e\n\u003cli\u003eGardening and soil acidification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e📋 Product Details:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Name:\u003c\/strong\u003e Aluminium Sulfate 17%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular Formula:\u003c\/strong\u003e Al2(SO4)3·nH2O\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAl₂O₃ Content:\u003c\/strong\u003e Approx. 17%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Fine Powder \/ Granular Powder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e250g Aluminium Bag\u003c\/li\u003e\n\u003cli\u003e500g Aluminium Bag\u003c\/li\u003e\n\u003cli\u003e500g HDPE Bottle\u003c\/li\u003e\n\u003cli\u003e1500g Jerry Can\u003c\/li\u003e\n\u003cli\u003e3000g Bucket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Resealable Aluminium Bags, HDPE Containers \u0026amp; Buckets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store in a cool, dry, well-ventilated area away from moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e📈 Other Names:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003eAluminium Sulphate 17%, Alum 17%, Aluminium Sulfate Powder, Water Treatment Alum, Industrial Aluminium Sulfate, Al2SO43, Aluminium Sulfate Hydrate, Water Clarifier Powder, Soil Acidifier, Textile Processing Chemical, Coagulation Chemical, Pond Water Treatment Powder, Aluminium Sulfate Al₂O₃ 17%\u003c\/p\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eHow to Use Aluminium Sulfate 17% Powder – 5 Popular Examples\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e1. Water Clarification Treatment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003eIngredients:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1000 litres water\u003c\/li\u003e\n\u003cli\u003e10g–50g Aluminium Sulfate Powder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSteps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDissolve the required amount in warm water.\u003c\/li\u003e\n\u003cli\u003eAdd solution evenly into the water source.\u003c\/li\u003e\n\u003cli\u003eStir thoroughly for proper distribution.\u003c\/li\u003e\n\u003cli\u003eAllow particles to settle naturally.\u003c\/li\u003e\n\u003cli\u003eFilter or remove sediment if necessary.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e⚠️ Use protective gloves and avoid inhaling powder.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e2. Soil Acidification for Plants\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003eIngredients:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 square metre soil area\u003c\/li\u003e\n\u003cli\u003e20g–100g Aluminium Sulfate Powder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSteps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMeasure required quantity carefully.\u003c\/li\u003e\n\u003cli\u003eSprinkle evenly onto soil surface.\u003c\/li\u003e\n\u003cli\u003eMix lightly into topsoil.\u003c\/li\u003e\n\u003cli\u003eWater thoroughly after application.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e⚠️ Do not overapply as excessive acidity may damage plants.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e3. Paper Craft \u0026amp; Manufacturing\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003eIngredients:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePaper pulp mixture\u003c\/li\u003e\n\u003cli\u003eAppropriate amount of Aluminium Sulfate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSteps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eAdd powder gradually into pulp mixture.\u003c\/li\u003e\n\u003cli\u003eStir continuously for even dispersion.\u003c\/li\u003e\n\u003cli\u003eAllow chemical binding process to occur.\u003c\/li\u003e\n\u003cli\u003eContinue standard paper processing methods.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e⚠️ Wear eye protection during handling.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e4. Textile Dyeing Process\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003eIngredients:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFabric dye bath\u003c\/li\u003e\n\u003cli\u003eAluminium Sulfate Powder as mordant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSteps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDissolve powder fully in warm water.\u003c\/li\u003e\n\u003cli\u003eAdd solution to dye bath.\u003c\/li\u003e\n\u003cli\u003eSoak fabric according to dye instructions.\u003c\/li\u003e\n\u003cli\u003eRinse fabric thoroughly after treatment.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e⚠️ Use in well-ventilated areas only.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e5. Pond Water Treatment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003eIngredients:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePond water\u003c\/li\u003e\n\u003cli\u003eMeasured Aluminium Sulfate Powder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSteps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDissolve powder in a separate container.\u003c\/li\u003e\n\u003cli\u003eApply evenly across pond surface.\u003c\/li\u003e\n\u003cli\u003eAllow suspended particles to coagulate.\u003c\/li\u003e\n\u003cli\u003eMonitor water clarity regularly.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e⚠️ Avoid overdosing and follow environmental safety guidance.\u003c\/p\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e❓ FAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e1. What does Aluminium Sulfate 17% mean?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 17% refers to the approximate Al₂O₃ (aluminium oxide) content commonly used as an industry grading specification.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e2. What is Aluminium Sulfate Powder used for?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eIt is commonly used for water treatment, soil acidification, paper manufacturing, dyeing, and industrial processing.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e3. What packaging sizes are available?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eAvailable in 250g aluminium bags, 500g aluminium bags, 500g HDPE bottles, 1500g jerry cans, and 3000g buckets.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e4. How should Aluminium Sulfate be stored?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eStore in a cool, dry area away from moisture using the sealed original container.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e5. Are protective measures recommended during handling?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eYes, gloves, eye protection, and good ventilation are recommended when handling the powder.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/Aluminium_Sulphate_Powder_MSDS_HD_Chemicals_LTD.pdf?v=1612176878\" title=\"Aluminium Sulphate Powder\" target=\"_blank\"\u003e\u003cimg height=\"150\" width=\"150\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/PDF_MSDS_LOGO_PNG.png?v=1610378091\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"HD Chemicals LTD","offers":[{"title":"250g Alubag","offer_id":31722433020039,"sku":"ASP250ALU","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"500g Alubag","offer_id":31722433052807,"sku":"ASP500ALU","price":7.99,"currency_code":"GBP","in_stock":true},{"title":"500g HDPE Bottle","offer_id":31722433085575,"sku":"ASP500","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"1500g Jerry Can","offer_id":31722433118343,"sku":"ASP1500","price":14.99,"currency_code":"GBP","in_stock":true},{"title":"3000g Bucket","offer_id":31722433151111,"sku":"ASP3000","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/products\/ALUMINIUM_SULPHATE_2000x2000_blank.png?v=1578055502"},{"product_id":"calcium-hypochlorite-granules-68","title":"Calcium Hypochlorite Granules 68%","description":"\u003ch1\u003e\u003cspan\u003eCalcium Hypochlorite Granules 68% Dedusted – Drinking Water Sterilisation, Pool Shock, Disinfection\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eProfessional-grade \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCalcium Hypochlorite Granules 68% (unstabilised chlorine)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e designed for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edrinking water treatment, pool treatment, and disinfection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Dedusted for reduced dust during handling and fast dissolution, this high-purity product delivers reliable chlorine release without stabiliser, making it suitable for controlled water treatment applications. Manufacturer declares conformity with EN 900 for drinking water treatment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e68% average available chlorine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (minimum 65% at manufacture) for powerful sanitisation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUnstabilised (no cyanuric acid)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – suitable for controlled potable water treatment when applicable requirements are met\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDedusted granules\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for reduced dust during handling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFast-dissolving formula\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with minimal insoluble residue (maximum 3% according to manufacturer)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cstrong\u003e\u003cspan\u003eUses\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDrinking water treatment (professional \u0026amp; controlled systems)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSwimming pool shock and maintenance chlorination\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpa and hot tub water treatment (subject to equipment compatibility and product authorisation)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSurface and equipment disinfection (where authorised)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommercial water hygiene and treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cstrong\u003e\u003cspan\u003e📋 Product Details\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 250g \/ 1kg \/ 2kg\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eGrade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Average 68%, minimum 65% available chlorine at manufacture\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eForm:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dedusted granules\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003epH (10 g\/L):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10.5–11.5 (verify against batch specification)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSolubility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Fast-dissolving granules; numerical solubility not confirmed in the manufacturer's supplied specification\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eStandard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e EN 900 (manufacturer-declared conformity)\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cstrong\u003e\u003cspan\u003e5 Main Uses – Step by Step (Detailed Professional Instructions)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e1. Drinking Water Sterilisation (Potable Water Treatment)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e⚠️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCRITICAL: Never add granules directly to drinking water intended for immediate consumption. Use an appropriately controlled treatment process.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 1: Pre-filter Water (if needed)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIf water is cloudy, remove suspended particles using suitable filtration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuspended solids and organic contamination reduce chlorine effectiveness\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 2: Prepare Stock Chlorine Solution\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWeigh \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1 gram\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e calcium hypochlorite\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAdd to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1 litre clean water\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e in a clean, dedicated chemical-resistant container\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAdd water first, then chemical\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStir for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eat least 15 minutes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e following the manufacturer's preparation instructions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThis produces a theoretical stock concentration of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e650–680 mg\/L available chlorine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, depending on actual product strength\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 3: Dose Drinking Water\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe amount required depends on water quality, initial chlorine demand and the required final residual\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1 g\/L stock solution\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e contains approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.65–0.68 mg available chlorine per ml\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFor calculation reference only, adding \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1 ml of stock solution to 1 litre of water\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e gives a theoretical initial chlorine addition of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.65–0.68 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eActual dosing must be determined through appropriate water testing and an approved treatment procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 4: Contact Time\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAllow sufficient contact time according to the applicable drinking water treatment procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA commonly referenced operational residual is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.2–0.5 mg\/L free chlorine after at least 30 minutes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, under suitable water conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe required initial dose may be higher because chlorine is consumed by contaminants\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 5: Verification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMeasure free chlorine residual using a suitable chlorine test kit or calibrated testing equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck that treated water meets applicable drinking water quality requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not rely on chlorine smell as evidence of effective disinfection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIf the residual is insufficient, reassess treatment according to the approved procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 6: Storage After Treatment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep treated water in clean, suitable, covered containers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProtect from contamination and direct sunlight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck residual chlorine where storage conditions or duration require it\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not overdose\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNever mix with acids (toxic chlorine gas risk)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConcentrated product is harmful if swallowed and causes severe skin burns and eye damage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDrinking water treatment must comply with applicable UK requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e2. Swimming Pool Shock Treatment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 1: Test Water\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-recommended pH: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7.0–7.4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, subject to local requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnsure filtration system is operational\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMeasure existing free chlorine before treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 2: Calculate Dose\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExample shock treatment calculation: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10–15 g per m³ (1,000 litres)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThis provides a theoretical increase of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6.8–10.2 mg\/L available chlorine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e at 68% product strength\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExample:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e10,000 L pool → \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e100–150 g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e20,000 L pool → \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e200–300 g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e50,000 L pool → \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e500–750 g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese quantities are illustrative calculations, not fixed shock-treatment doses. Adjust according to existing chlorine levels, water condition and the applicable pool treatment procedure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 3: Pre-dissolve\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse a clean, dedicated container\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFill with the required quantity of clean water first\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSlowly add the measured granules while stirring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eContinue mixing for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eat least 15 minutes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, following the manufacturer's instructions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 4: Apply to Pool\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApply using the approved pool chlorination procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnsure the circulation and filtration systems are operating\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo NOT add when swimmers are present\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 5: Circulation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep the filtration and circulation systems operating during treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAllow sufficient circulation time for uniform chlorine distribution\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow the pool's operating procedure for treatment duration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 6: Re-test Before Use\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMeasure free chlorine and pH before reopening the pool\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer's recommended normal chlorine level: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1–3 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not allow swimming until chlorine levels comply with applicable operating limits\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNever mix with other pool chemicals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAdd chemical to water, not water to chemical\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNever use contaminated buckets, feeders or dosing equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e3. Routine Pool Chlorination (Maintenance)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 1: Daily Dose Calculation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer's typical daily consumption: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e500 g – 1 kg per 100 m³ per day\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEquivalent quantities:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e10,000 L → \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e50–100 g daily\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e20,000 L → \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e100–200 g daily\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e50,000 L → \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e250–500 g daily\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e100,000 L → \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e500 g–1 kg daily\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese are typical consumption estimates rather than fixed daily dosing requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 2: Adjust for Conditions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChlorine consumption may increase during:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHot and sunny weather\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeavy pool usage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncreased organic contamination\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlways adjust the dose according to measured free chlorine levels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 3: Application\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrepare a solution according to the manufacturer's instructions or use a suitable approved dosing system\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not introduce granules into a skimmer or feeder containing other chemicals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAdd gradually using the appropriate treatment procedure with circulation running\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 4: Monitor Levels\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaintain:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFree chlorine: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1–3 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as recommended by the manufacturer unless local requirements specify otherwise\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003epH: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7.0–7.4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, subject to local requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTest regularly and adjust treatment as required\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 5: Balance Water Chemistry\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTotal alkalinity: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e60–120 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMonitor calcium hardness and other relevant pool chemistry parameters\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaintain appropriate water balance to reduce scaling and equipment problems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e4. Spa \/ Hot Tub Treatment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 1: Measure Water Volume\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExample: 1,000 litres spa\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm that calcium hypochlorite is suitable for the spa equipment and authorised for the intended application\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 2: Dose Calculation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFor \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,000 litres\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, theoretical chlorine increases at 68% available chlorine are:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2 grams → 1.36 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3 grams → 2.04 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4 grams → 2.72 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5 grams → 3.40 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese values show theoretical chlorine additions, not universal recommended doses. Actual dosing depends on existing chlorine and chlorine demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 3: Pre-dissolve\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhere permitted by the spa and chemical manufacturer's instructions, prepare the required chlorine solution in a clean, dedicated container\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlways add granules to water, never water to granules\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMix according to the manufacturer's preparation procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 4: Add with Circulation Running\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow the spa manufacturer's approved chlorination procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnsure sufficient circulation for even distribution\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not mix with other treatment chemicals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 5: Contact Time\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAllow the treatment contact and circulation time required by the approved procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not assume that 15–30 minutes is sufficient for every spa treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 6: Test Before Use\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck free chlorine and pH using a suitable testing kit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA commonly used spa free chlorine operating range is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3–5 mg\/L\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, subject to local requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not use the spa until all relevant water quality parameters are within the permitted range\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow spa manufacturer's ventilation and cover instructions during treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid inhaling vapours, fumes or dust\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse only where product compatibility and authorisation are confirmed\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003e5. Surface \u0026amp; Equipment Disinfection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 1: Pre-clean Surface\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRemove dirt and organic matter\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eClean surfaces thoroughly before applying a disinfectant\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck material compatibility, particularly for metals and chlorine-sensitive materials\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 2: Prepare Disinfection Solution\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe following are theoretical available chlorine concentrations at 68% product strength:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e0.5 g per litre → approximately 340 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1 g per litre → approximately 680 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1.5 g per litre → approximately 1,020 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2 g per litre → approximately 1,360 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor reference, the manufacturer's preparation table specifies approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1.5 g per litre for a 0.1% (1,000 ppm) available chlorine solution\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese figures are concentration calculations, not approved surface disinfection doses. Select the concentration according to the applicable product authorisation and validated disinfection procedure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 3: Apply Solution\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse an application method approved for the intended surface and disinfection process\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable methods may include wiping or immersion where specifically authorised\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid creating airborne chlorine mist\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 4: Contact Time\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow the validated contact time for the intended application\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequired contact time depends on chlorine concentration, surface condition and the target microorganisms\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe manufacturer's supplied technical sheet does not specify a universal 5–10 minute surface disinfection contact time\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 5: Rinse (if required)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRinse surfaces where required by the approved treatment procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFood-contact surfaces may require additional rinsing and verification\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow applicable hygiene requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eStep 6: Air Dry\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAllow surfaces to dry according to the approved procedure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrevent recontamination after treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse protective gloves and eye\/face protection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWork in a well-ventilated area\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNever mix chlorine solutions with acids, ammonia or other cleaning chemicals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cstrong\u003e\u003cspan\u003e📈 Other Names\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAlternative Names:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCalcium Hypochlorite 68%, Cal Hypo Granules, Chlorine Granules, Drinking Water Chlorine, Pool Shock, Water Purification Chlorine\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKeyword-Rich Titles:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCalcium Hypochlorite Drinking Water Treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChlorine Granules 68% for Pools \u0026amp; Potable Water\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCal Hypo Granules for Professional Water Purification\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePool Shock \u0026amp; Water Disinfection Chlorine Granules\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUnstabilised Chlorine Granules High Strength\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cstrong\u003e\u003cspan\u003e❓ FAQs\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1. Can I use this for drinking water?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe original manufacturer identifies drinking water treatment as an intended application and declares conformity with EN 900. Use must comply with applicable requirements and be carried out using a controlled, verified treatment process. No universal drinking water dose is provided in the manufacturer's supplied instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2. Why is unstabilised chlorine important?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIt contains no cyanuric acid stabiliser. This makes it suitable for applications where unstabilised chlorine is required, including appropriate controlled water treatment systems. Suitability for drinking water also depends on product conformity and applicable treatment requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3. Can I add granules directly to water?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor preparing chlorine stock solutions, always add granules slowly to water in a clean, dedicated container, never water onto dry granules. For pools and other treatment systems, follow the manufacturer's approved application procedure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4. What are the main hazards?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIt is a strong oxidiser, causes severe skin burns and eye damage, is harmful if swallowed, and must never be mixed with acids or other incompatible chemicals. Contact with acids releases toxic chlorine gas.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5. How much Calcium Hypochlorite should I use for my swimming pool?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe manufacturer states typical daily consumption of 500g–1kg per 100m³ of pool water. Actual dosing depends on pool volume, existing chlorine levels, water quality and usage. Always test before and after treatment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e6. What pack sizes are available?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eHD Chemicals supplies Calcium Hypochlorite Granules 68% in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e250g, 1kg and 2kg\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e packs.\u003c\/span\u003e\u003c\/p\u003e","brand":"HD Chemicals LTD","offers":[{"title":"250 g","offer_id":55510723101048,"sku":"HTH 250 ALU","price":14.99,"currency_code":"GBP","in_stock":true},{"title":"1000g (1kg)","offer_id":55510723133816,"sku":"HTH 1000","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"2000g (2x1kg)","offer_id":55697816945016,"sku":"HTH 1000 x 2","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0091\/5963\/9103\/files\/CAHTH.png?v=1774365766"}],"url":"https:\/\/shop.hdchemicals.co.uk\/collections\/water-treatment-chemicals.oembed","provider":"HD Chemicals LTD","version":"1.0","type":"link"}