ClearSpa 104 Calcium - 2 lb

Clear Spa Calcium Calcium is required in a spa to help prevent corrosion of metal fixtures if too low and or a scale condition if the calcium hardness is excessive. When applied properly Calcium prevents damage to spas and the equipment. Features: Calcium Increaser Raises calcium in spas and hot tubs Prevents corrosion to equipment Granular formula Size: 2 Pounds Active Ingredients: Calcium Chloride 100% Dosage Amounts: Example: Add 1 tablespoon of Calcium Increaser per 400 gallons of spa water to raise the calcium level by 25 ppm. Complete dosage chart can be found on the bottle.