{"product_id":"calcium-up-25lbs","title":"ProTeam Calcium Up Calcium Hardness Increaser, 25 lb, 7352568","description":"\u003cp\u003eProTeam Calcium Up, part number 7352568, is a 25 lb calcium hardness increaser for pool water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCalcium Up raises calcium hardness levels in pool water. Calcium hardness is one of the core water balance numbers, alongside pH and alkalinity, and keeping it in the proper range helps protect pool surfaces and equipment from the effects of water that is too soft or too aggressive.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to choose the right level\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIn vinyl and fiberglass pools, calcium hardness should be kept between 150 and 250 ppm. In pools with plaster or similar surfaces, the target range is 250 to 350 ppm. This 25 lb container is suited to above ground and in ground pools, both residential and commercial, and is best dosed after testing current calcium hardness levels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis product is also listed under the part number C002735-PL25, the same Calcium Up formula and 25 lb size, made by Haviland Consumer Products under the ProTeam brand.\u003c\/p\u003e","brand":"Proteam","offers":[{"title":"Default Title","offer_id":48694157934804,"sku":"PTM-50-7325","price":70.32,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_6001b999-c49a-49bd-8969-bf149560a682.jpg?v=1789765643","url":"https:\/\/www.activepoolsupply.com\/products\/calcium-up-25lbs","provider":"Active Pool Supply","version":"1.0","type":"link"}