Calcium Hardness is used to increase calcium levels in pool and spa water. Calcium Hardness is the measurement of dissolved calcium in the water. For swimming pools, this should be maintained at a minimum of 200mg/l. Low levels can affect the pool and its equipment.
Directions for use:
Ensure the pumps are on and pre-dissolve a maximum of 100g of product per 2000 gallons of clean warm water. Mix well to ensure products has dissolved fully. Carefully add the solution to the pool preferably near to the water inlets.