{"product_id":"calcium-hardness-up-15-lb-1-bag-glb-heavy-duty-for-pools","title":"Calcium Hardness Up | 15 Lb | 1 Bag | GLB | (Heavy Duty For Pools)","description":"\u003cdiv\u003e\n\u003cp\u003eGLB Calcium Hardness Up, 15 lb Bag (71251A) helps balance your pool’s calcium hardness, supporting stable pH and alkalinity for a more comfortable swim. This calcium hardness increaser protects equipment by reducing scale and corrosion, keeping water clarity inviting and equipment life extended.\u003c\/p\u003e \u003cp\u003eManaging calcium hardness matters because it stabilizes overall pool chemistry, improves sanitizer efficiency, and minimizes mineral buildup. Use this product to dial in calcium levels without overcorrecting, ensuring water hardness stays within the ideal range for your pool.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e15 lb bag provides reliable, on-hand calcium hardness adjustment\u003c\/li\u003e \u003cli\u003eQuickly raises calcium hardness to prevent pitting and corrosion\u003c\/li\u003e \u003cli\u003eSupports stable pH and alkalinity for swimmer comfort\u003c\/li\u003e \u003cli\u003eReduces scale formation on heaters, pumps, and tiles\u003c\/li\u003e \u003cli\u003eEasy to apply with routine dosing and standard pool care\u003c\/li\u003e \u003cli\u003eCompatible with common sanitizers and filtration systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAdd GLB Calcium Hardness Up to your pool care cart to maintain balanced water and protect your equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Innovative Water Care","offers":[{"title":"Default Title","offer_id":48475739324659,"sku":"LZA71251A","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7101\/1571\/files\/LZA71251A_0.png?v=1771478498","url":"https:\/\/everklearpoolsupply.com\/products\/calcium-hardness-up-15-lb-1-bag-glb-heavy-duty-for-pools","provider":"Ever-Klear Pool Supply","version":"1.0","type":"link"}