{"product_id":"haviland-durachlor-alkalinity-increaser-10lb","title":"Haviland DuraChlor Alkalinity Increaser 10 lb Pail (C002669-CS74C1)","description":"\u003cp\u003eThe \u003cstrong\u003eHaviland DuraChlor Alkalinity Increaser (C002669-CS74C1)\u003c\/strong\u003e is a fast-dissolving, 100% Sodium Hydrogen Carbonate formula designed to quickly raise and stabilize total alkalinity in swimming pool water. This 10 lb pail offers great value for pool owners who want to maintain proper alkalinity (80–120 ppm) — the essential buffer that prevents erratic pH swings and protects your equipment, surfaces, and swimmers all season long.\u003c\/p\u003e\n\u003ch4\u003e🚩 PRO TIP\u003c\/h4\u003e\n\u003cp\u003eAdd this product with the pump running, broadcasting it across the deep end. Wait at least two hours before retesting. If alkalinity is very low, dose in stages (no more than 10 ppm per treatment) to avoid overshooting your target range.\u003c\/p\u003e\n\u003ch3\u003ePRODUCT FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Raises total alkalinity quickly and effectively\u003c\/li\u003e\n\u003cli\u003e✔ 100% Sodium Hydrogen Carbonate — no fillers or additives\u003c\/li\u003e\n\u003cli\u003e✔ Quick-dissolving granular formula for easy broadcast application\u003c\/li\u003e\n\u003cli\u003e✔ Prevents \"pH bounce\" by buffering pool water chemistry\u003c\/li\u003e\n\u003cli\u003e✔ Prevents corrosion to pool equipment, fixtures, and surfaces\u003c\/li\u003e\n\u003cli\u003e✔ Easy-to-follow dosage chart printed on the label\u003c\/li\u003e\n\u003cli\u003e✔ Compatible with all sanitizer systems (chlorine, bromine, salt)\u003c\/li\u003e\n\u003cli\u003e✔ 10 lb pail — ideal for larger pools or frequent treatment\u003c\/li\u003e\n\u003cli\u003e✔ Made in the USA by Haviland Consumer Products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Haviland \/ DuraChlor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C002669-CS74C1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 025551410139\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e 100% Sodium Hydrogen Carbonate (Sodium Bicarbonate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 10 lbs (4.535 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Granular powder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Alkalinity Range:\u003c\/strong\u003e 80–120 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosage:\u003c\/strong\u003e 1.4 lbs (1.75 cups) per 10,000 gallons to raise alkalinity 10 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Add directly to pool with circulation running; retest after 2 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e All pool sanitizer types\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":44181835448455,"sku":"C002669-CS74C1","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/haviland-durachlor-c002669-cs74c1-alkalinity-increaser-10lb-complete.jpg?v=1773352449","url":"https:\/\/alscoolpoolstore.com\/products\/haviland-durachlor-alkalinity-increaser-10lb","provider":"Al's Cool Pool Store","version":"1.0","type":"link"}