Pool Mate Calcium Plus is used to raise calcium hardness levels when measures drop below the recommended range of 200-400 PPM. If calcium hardness levels are too low the \"soft water\" will corrode pool equipment， etch pool plaster and may cause metallic stains. This is a dry granular product that increases the total hardness in pool water to the recommended range.
Model 337852
Low calcium hardness level can cause corrosive water
Prevents the staining or etching of your pool's surface
Ideal calcium hardness range 200 - 400PPM
Increases water hardness
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