{"product_id":"calcium-hardness-increaser-20-lb-bag-keeps-pool-surfaces-protected","title":"Calcium Hardness Increaser 20 lb Bag - Keeps Pool Surfaces Protected","description":"\u003cp\u003eIn this review of the 20 lb calcium hardness increaser, the bottom line is straightforward: it is for pool and spa owners who need a reliable, economical way to raise and maintain calcium hardness to protect surfaces and equipment. The single biggest reason to buy is its fast-dissolving formula packaged in a resealable bag, which makes treating larger pools simple and minimizes downtime before swimming. For those who monitor water balance, this product provides an efficient route to reach the recommended hardness range and reduce surface staining and corrosion risk.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoosts Calcium Levels:\u003c\/strong\u003e Raises hardness to help prevent corrosion, scaling, and surface damage for longer-lasting pool finishes and plumbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast-Dissolving Formula:\u003c\/strong\u003e Made with ingredients that dissolve quickly and evenly so treatments act faster and require less waiting before return to service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves Water Balance:\u003c\/strong\u003e Helps maintain calcium hardness in the recommended 200-400 ppm range to reduce cloudy water and staining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Larger Pools:\u003c\/strong\u003e The 20 lb bag provides enough material for multiple treatments, making it suitable for larger residential or commercial pools and spas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Application:\u003c\/strong\u003e Comes in a durable, resealable bag and can be broadcast over the deep end with the pump running for at least 4 hours for optimal results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is best for homeowners, pool service professionals, and commercial facilities managing medium to large pools or spas that need to correct or maintain calcium hardness without switching brands frequently. It suits both saltwater and chlorine systems where keeping water balanced protects heaters, tiles, and liners.\u003c\/p\u003e\n\u003cp\u003eIt is not aimed at someone who needs instant granular dissolvers for very small doses or a measured tablet-style feeder; those users should use a product formulated specifically for micro-dosing or in-line feeders. Also, anyone requiring packaged dosing instructions for specialized water chemistry beyond hardness should consult a water professional.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAffordable 20 lb size offers good value for multiple treatments.\u003c\/li\u003e\n\u003cli\u003eFast-dissolving formula that integrates evenly into pool water.\u003c\/li\u003e\n\u003cli\u003eResealable bag for cleaner storage and easy handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers reported occasional leakage in packaging during shipping, so inspect the bag on arrival.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCalcium Hardness Increaser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e20 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable For\u003c\/td\u003e\n\u003ctd\u003eAll pool types including saltwater and chlorine systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Hardness Range\u003c\/td\u003e\n\u003ctd\u003e200-400 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Method\u003c\/td\u003e\n\u003ctd\u003eBroadcast over deep end and run pump at least 4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eDurable resealable bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor pool owners seeking a cost-effective, easy-to-use way to raise calcium hardness, this 20 lb increaser delivers reliable performance and fast dissolution, making it a practical choice for larger pools and routine maintenance. Inspect packaging on delivery to avoid the occasional leakage report, but overall it represents solid value for preserving pool surfaces and equipment.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I apply this product?\u003c\/strong\u003e\u003cbr\u003eBroadcast granules over the deep end with the pump running and circulate for at least 4 hours for even distribution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work in saltwater pools?\u003c\/strong\u003e\u003cbr\u003eYes, it is suitable for both saltwater and chlorine systems to help maintain proper calcium hardness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much will a 20 lb bag treat?\u003c\/strong\u003e\u003cbr\u003eThe 20 lb bag provides multiple treatments for medium to large pools; exact dose depends on pool volume and current hardness level.\u003c\/p\u003e","brand":"Puri Tech","offers":[{"title":"Default Title","offer_id":48617877438683,"sku":"B012B9HU5K","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/515R5IL8QIL._AC_SL1000.jpg?v=1778498209","url":"https:\/\/gearmusthave.com\/products\/calcium-hardness-increaser-20-lb-bag-keeps-pool-surfaces-protected","provider":"GearMustHave","version":"1.0","type":"link"}