Mineral Harmony® Water Care Products are Specifically Designed for Mineral Treated Spas
Swim+Spa BOOST brings water hardness into the proper range.Water hardness describes the total amount of calcium in spa water Low hardness can result in corrosion of equipment and spa surfaces. The ideal hardness level is 150- 400 parts per million (ppm). (32 ounces)
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Sold Individually - Case Pack 12
