{"product_id":"calcium-plus-25-lbs-for-pools-and-spas","title":"Calcium Plus 25 lbs. for Pools and Spas","description":"\u003ch2\u003e\u003cstrong\u003eCalcium Plus 25 lbs.\u003cbr\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCalcium (Hardness) Increaser for Swimming Pools or Spas\u003cbr\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRaise the calcium hardness in your swimming pool. There are several disadvantages to having low calcium hardness in your swimming pool. Your Pool water may become corrosive causing etched plaster, harming equipment and fixtures or may cause stains.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTo increase the Total Calcium Hardness in swimming pool water\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlways try and maintain a 175-200 ppm level of Calcium Hardness in vinyl liner pools, 250-300 in concrete or plaster pools. The minimum level is 150 ppm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDirections:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not add this product within the same day of adding either pH increaser or an alkalinity increaser.\u003c\/li\u003e\n\u003cli\u003eTest your swimming pool water for hardness with a water test kit or strips.\u003c\/li\u003e\n\u003cli\u003eDo not pre-dissolve this product.\u003c\/li\u003e\n\u003cli\u003eWith the Pool Pump Running Broadcast the Calcium Hardness Increaser over the pool surface.\u003c\/li\u003e\n\u003cli\u003eYou may resume pool use after 15 minutes. Make sure the calcium hardness increaser is fully dissovled into the swimming pool.\u003c\/li\u003e\n\u003cli\u003eRetest the hardness levels after 24 hours. Repeat the above steps as necessary until the approiate range of calcium hardness is reached.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDosage:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3 lbs per 10,000 of pool water will normally raise the hardness by 25 ppm.\u003c\/li\u003e\n\u003cli\u003eWith the pool pump running broadcast calcium hardness or the surface of pool. If some of the product lands on the bottom simply bush it. Will not harm bottom of your pool. Compatible with all pool chemicals: Doheny's, In the Swim, GLB, Poolife, Baquacil, Leslies, Blue Wave, Pristine Blue, Bio Guard \u0026amp; etc! Contains: 83-87% Active Calcium Chloride\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDosage Chart:\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003ePool Volume\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eIncrease level 50 ppm\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eIncrease level 100 ppm\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eIncrease level 200 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003e2,000 Gal.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e1.5 lbs.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e3 lbs.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e6.25 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003e5,000 Gal.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e3 lbs.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e6.25 lbs.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e12.5 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003e10,000 Gal.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e6.25 lbs.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e12.5 lbs.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e25 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003e20,000 Gal.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e10.5 lbs.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e25 lbs.\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e50 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eIngredients\u003c\/strong\u003e: Calcium Chloride, Water, Potassium Chloride, Sodium Chloride\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/4222\/9825\/files\/calcium-hardness-increaser-maintain.pdf?v=1756996159\" rel=\"noopener\" target=\"_blank\"\u003eSafety Data Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"Link to Baleco brand page\" href=\"\/baleco\/\" rel=\"noopener\" target=\"_blank\"\u003eBaleco Brand Page\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/4222\/9825\/files\/Water-Care-Booklet-Baleco.pdf?v=1756996143\" rel=\"noopener\" target=\"_blank\"\u003eDownload the All-In-One Water Care Booklet\u003c\/a\u003e\u003c\/p\u003e","brand":"Baleco","offers":[{"title":"Default Title","offer_id":42435476717633,"sku":"B002577-PL25","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/4222\/9825\/files\/Maintain_Hardness_Increaser_25_lb.webp?v=1761750314","url":"https:\/\/www.nationaldiscountpoolsupplies.com\/products\/calcium-plus-25-lbs-for-pools-and-spas","provider":"National Discount Pool Supplies, LLC","version":"1.0","type":"link"}