Pool Calcium Increaser, 4-Lbs. Pool Chlorine ergonomic handles for ease of

ergonomic handles for ease of carrying

a perfect blend of quality petroleum products & the most advanced polymer technology available today

Includes 1 Each 3/8" Nutsetter

consists of: 3/8" x 6"

Pool Calcium Increaser, 4-Lbs. Pool Chlorine ergonomic handles for ease ofHTH(TM) calcium hardness increaser, 4 lbs., is used to raise the calcium hardness of swimming pool water. Low calcium hardness may cause the pool water to be corrosive, resulting in damage to pool surfaces and equipment. Plaster finish pools may be etched or stained if the calcium hardness of the pool water is not properly adjusted. The calcium hardness of chlorinated pool water should be maintained in the range of 200 500 ppm.