Calcium Hardness Booster

Calcium Hardness Booster for hot tubs corrects problems caused by insufficient levels (below 150 ppm) of dissolved calcium. Prevents corrosion of heater & equipment, etching, water foam.

• Prevents corrosion
• Reduces foaming
• 14 oz. bottle

Product notes: Fast-dissolving calcium chloride, 100%. Check with Hardness Test Strips.