{"product_id":"poolfix-calcium-hardness-increaser","title":"PoolFix Calcium Hardness Increaser","description":"\u003cp\u003eThis calcium hardness increaser quickly raises calcium levels in pools to prevent corrosive water conditions. The granular mini pellets dissolve easily and work in all pool types to maintain proper water balance.\u003c\/p\u003e\n\n\u003cp class=\"ez-section-heading\"\u003eKey Features\u003c\/p\u003e\n\n\u003cul class=\"ez-highlight-list\"\u003e\n  \u003cli\u003e94% calcium chloride active ingredient — fast-acting and reliable\u003c\/li\u003e\n  \u003cli\u003eGranular mini pellet form — dissolves completely without residue\u003c\/li\u003e\n  \u003cli\u003e1.25 lb per 10,000 gallons raises hardness approximately 10 ppm\u003c\/li\u003e\n  \u003cli\u003eMaintains recommended calcium hardness range of 200–400 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp class=\"ez-tip\"\u003eLow calcium hardness can cause plaster etching and metal corrosion. Test weekly and adjust as needed to protect your pool surfaces and equipment.\u003c\/p\u003e","brand":"PoolFix","offers":[{"title":"4LB","offer_id":51676275278137,"sku":null,"price":22.99,"currency_code":"USD","in_stock":false},{"title":"8LB","offer_id":51676275310905,"sku":null,"price":29.99,"currency_code":"USD","in_stock":false},{"title":"25LB","offer_id":51676275343673,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"45LB","offer_id":51676275376441,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/2320\/4665\/files\/POOLFIX_CALCIUM_4LB_PIC.png?v=1768020358","url":"https:\/\/www.ezpools.com\/products\/poolfix-calcium-hardness-increaser","provider":"EZ Pools","version":"1.0","type":"link"}