Maintain Pool Pro Calcium Hardness Increaser


Water Calcium hardness increaser for Swimming Pools

SKU: MainHardness Category:


Water needs calcium hardness. If your levels are too low, a small addition of Calcium Hardness Increaser brings the levels up safely while not clouding the water. When levels are ideal, you will prolong the life of your pool or spa. Prevents water from becoming corrosive and damaging your pool’s plumbing and heater.

Helps maintain calcium hardness levels between 150-300 ppm.

Stops staining and etching of pool surfaces caused by low hardness levels.

Always try and maintain a 175-200 ppm level of Calcium Hardness in vinyl liner pools, 250-300 in concrete or plaster pools.

Dosage: 3 lbs per 10,000 of pool water will normally raise the hardness by 25 ppm. With pool pump running, broadcast calcium hardness or the surface of pool. If some of the product lands on the bottom simply bush it. Will not harm bottom of your pool.

Compatible with all pool chemicals!

Contains: 83-87% Active Calcium Chloride

Additional information

Weight 1.0000 lbs