{"product_id":"poolife-calcium-hardness-increaser-8-lb-bag","title":"Poolife Calcium Plus, 8 lb Bag","description":"\u003cp\u003eGive your pool water the calcium support it needs with \u003cstrong\u003ePoolife™ Calcium Plus\u003c\/strong\u003e. This high-purity calcium chloride formula raises calcium hardness to help protect your pool’s walls, floor, plumbing, and equipment, especially in plaster and concrete pools.\u003c\/p\u003e\u003ch2\u003eProtect pool surfaces and equipment\u003c\/h2\u003e\u003cp\u003eBalanced calcium hardness is an important part of complete pool care. When calcium levels are too low, water can become aggressive toward pool surfaces and equipment. Poolife Calcium Plus helps you bring calcium hardness back into range and support a more stable water balance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-purity formula:\u003c\/strong\u003e Quickly raises calcium hardness when used as directed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface and equipment protection:\u003c\/strong\u003e Helps protect plumbing, heaters, fittings, metal fixtures, and pool surfaces from corrosive water conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor multiple pool types:\u003c\/strong\u003e Suitable for vinyl, fiberglass, plaster, and concrete pools, including saltwater pools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy dosing:\u003c\/strong\u003e Use the included dosage chart based on your pool size and current calcium hardness level.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow to use Poolife Calcium Plus\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eTest your pool water to determine the current calcium hardness level.\u003c\/li\u003e\n\u003cli\u003eUse the dosage chart on the label to calculate the amount needed.\u003c\/li\u003e\n\u003cli\u003eWith the pump running, broadcast the product evenly over the deep end of the pool.\u003c\/li\u003e\n\u003cli\u003eAllow the water to circulate for several hours after application.\u003c\/li\u003e\n\u003cli\u003eRetest after 24 hours and make additional adjustments only if needed.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eAs a general product guideline, aim for calcium hardness between \u003cstrong\u003e200 and 500 ppm\u003c\/strong\u003e, unless your pool surface, equipment manufacturer, test kit, or chemical label specifies a different target. Add Poolife Calcium Plus separately from pH adjusters, alkalinity increasers, or other balancing chemicals, and follow the product label for handling and application instructions.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhy is calcium hardness important?\u003c\/h3\u003e\u003cp\u003eProper calcium hardness helps reduce the risk of corrosive water conditions that can affect pool surfaces, tile grout, heaters, plumbing, and metal fixtures. It also helps reduce calcium leaching from plaster surfaces.\u003c\/p\u003e\u003ch3\u003eHow do I know if I need it?\u003c\/h3\u003e\u003cp\u003eTest your water with a reliable test kit or test strips. If calcium hardness is below your recommended target, use the label dosage chart to determine how much Poolife Calcium Plus to add.\u003c\/p\u003e\u003ch3\u003eWill it cloud the water?\u003c\/h3\u003e\u003cp\u003eWhen applied and circulated as directed, the high-purity formula is designed to dissolve without clouding the water.\u003c\/p\u003e\u003ch3\u003eHow often should I test calcium hardness?\u003c\/h3\u003e\u003cp\u003eTest at least monthly, after a large water refill or rainstorm, and whenever you are working to rebalance the pool.\u003c\/p\u003e\u003ch3\u003eCan I add it with other balancing chemicals?\u003c\/h3\u003e\u003cp\u003eAdd it separately from other balancing chemicals and allow several hours between treatments to reduce the risk of unwanted chemical interaction or clouding.\u003c\/p\u003e\u003ch3\u003eCan I swim after adding it?\u003c\/h3\u003e\u003cp\u003eFollow the product label. Once the product has fully dissolved and the water has circulated for the label-recommended time, resume swimming only when the water is otherwise balanced and safe for use.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Poolife™\u003c\/li\u003e\n\u003cli\u003eProduct: Calcium Plus calcium hardness increaser\u003c\/li\u003e\n\u003cli\u003eSize: 8 lb. bag\u003c\/li\u003e\n\u003cli\u003eSuitable for vinyl, fiberglass, plaster, concrete, and saltwater pools\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Poolife","offers":[{"title":"Default Title","offer_id":50526924898369,"sku":null,"price":19.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/4222\/9825\/files\/62156_A_PLFCALPLUS8LB_Front.png?v=1790177123","url":"https:\/\/www.nationaldiscountpoolsupplies.com\/products\/poolife-calcium-hardness-increaser-8-lb-bag","provider":"National Discount Pool Supplies, LLC","version":"1.0","type":"link"}