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Item No. 106708
Liquid Calcium Hardness Up
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Liquid Calcium Hardness Up raises calcium levels to help reduce foam and protect the spa from harmful corrosion from soft water or low calcium hardness. (1 qt)
• Easy-to-use liquid product.
• Prevents corrosion of plumbing and equipment.

Compatible With:
Chlorine, bromine, ozone and mineral purification systems.

UPC Code 785336067087