A safe and effective way to manage water calcium, the Clorox Pool & Spa Calcium Hardness Increaser helps reduce corrosion, staining and etching. It can be used in pools of all sizes, and it's recommended for plaster pools, soft water areas, chlorine pools and salt pools.
Product Features:Recommended for plaster pools and areas with soft waterWorks in both traditional chlorine pools and salt poolsReduces corrosion, staining and etchingIncludes 20 lbs. of calcium hardness increaser(Model 19020CLX)
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