HTH 67019 Calcium Hardness Up Balancer for Swimming Pools, 4 lbs

Low calcium hardness in your pool can cause water to be corrosive, damaging pool surfaces and equipment. Add HTH Calcium Hardness Increaser to raise calcium hardness levels, and prevent corrosion of metal and plaster surfaces. About the Brand: HTH offers products that are economical and powerful enough for the toughest jobs. HTH’s wide selection of products provides everything you need for your pool, from algaecides and deposit control formulas to non-chlorine shock treatments, surface cleaners, clarifiers, enzyme-based cleaners, and more. If you like using HTH, check out some of the other brands from our parent company, Sigura. With brands like Applied Biochemists, Leisure Time, GLB, Spa Selections, and PooLife, Sigura has a long heritage and more than a century of experience in developing innovative water treatment solutions for use in pools, lakes, ponds, hot tubs, and more. At Sigura, we have an unparalleled passion, pride, and commitment to improving the environment and enhancing the security, health, and safety of the global communities we serve. With our track record of innovation and simple, intuitive solutions that anticipate needs, Sigura customers feel secure as they enjoy their pools, spas, ponds, and lakes.