{"product_id":"pool-mate-8-pounds-premium-calcium-hardness-increaser-for-pools-100-calcium-chloride","title":"Pool Mate 8-Pounds Premium Calcium Hardness Increaser for Pools | 100% Calcium Chloride","description":"\u003ch2\u003eBalance and protection for pool water\u003c\/h2\u003e\n\u003cp\u003ePool Mate 8-Pounds Premium Calcium Hardness Increaser is a dry, granular calcium chloride designed to raise total hardness in pool water when tests show a low calcium level. Used with a reliable test kit, it supports the maintenance of your pool within the recommended range for your surface type.\u003c\/p\u003e\n\u003ch3\u003eWhy calcium hardness matters\u003c\/h3\u003e\n\u003cp\u003eCalcium hardness helps stabilize water chemistry and may influence surface integrity. Keeping hardness within the suggested ranges can support consistent water balance and may reduce the risk of corrosion or etching when surfaces are in contact with treated water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRapidly increases total hardness when added according to the chart\u003c\/li\u003e\n\u003cli\u003eIdeal hardness range is typically 200-400 ppm, depending on surface type\u003c\/li\u003e\n\u003cli\u003e8 ounces raise hardness by about 10 ppm in a 5,000-gallon portion of water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eBefore application, test your pool water with a dependable test kit to identify the current calcium level. In a plastic bucket filled with pool water, mix up to 2 pounds of the product per about 5 gallons of water. Then slowly pour the solution around the pool perimeter while the circulating system runs. For a 10,000 gallon pool, avoid adding more than 10 pounds in a single 2-hour period.\u003c\/p\u003e\n\u003ch3\u003ePractical dosing by pool type\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVinyl Pools: target 200-300 ppm\u003c\/li\u003e\n\u003cli\u003eTile and Exposed Aggregate Pools: target 200-400 ppm\u003c\/li\u003e\n\u003cli\u003eMarcite, Fiberglass, or Painted Pools: target 250-400 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to expect from this product\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncreases calcium hardness to help maintain water balance\u003c\/li\u003e\n\u003cli\u003eDry, granular formula is easy to distribute with a running filter\u003c\/li\u003e\n\u003cli\u003eHelps minimize staining or surface changes related to low hardness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Results depend on current water chemistry and pool size. Always follow the chart included with the product for dosing guidance, and adjust based on regular test results.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is Pool Mate 8-Pounds Premium Calcium Hardness Increaser used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pool Mate raises calcium hardness in pool water to help reach the recommended range for different surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I apply this product?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Test water, mix up to 2 lb per ~5 gal in a bucket, then slowly pour around the pool edge with the pump running. For 10,000 gal pools, cap at 10 lb per 2 hours.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pool Mate","offers":[{"title":"Default Title","offer_id":48197292523764,"sku":"B00J7L46BC","price":27.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/pool-mate-calcium-hardness-increaser-8lb-container.jpg?v=1778405045","url":"https:\/\/www.cerapatiogarden.com\/products\/pool-mate-8-pounds-premium-calcium-hardness-increaser-for-pools-100-calcium-chloride","provider":"Cera Garden","version":"1.0","type":"link"}