Calcium Booster
Raises water hardness level while preventing foaming and equipment corrosion. Features:
Tips: Use Leisure Time Spa & Hot Tub Test Strips to determine hardness level. Water low in calcium will etch plaster and corrode equipment.
Compatible With: Chlorine, bromine, ozone and biguanide sanitizers.
Advantage: By maintaining proper hardness levels, the life of the spa will be extended.