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Increase Calcium Hardness for Spas - 14 oz.- CA1020

Increase Calcium Hardness for Spas - 14 oz.- CA1020

$4.95 Increase Calcium Hardness for Hot Tubs - 14 oz. Prevents corrosion and foaming. Fast-dissolving form. 100% granular calcium chloride. 1 oz added to 500 gallons will increase calcium hardness about 10 ppm. Test with Hardness Test Strips. Increase Calcium for hot tubs boosts the natural hardness of…
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