Pool Mate Calcium Hardness Increaser for Swimming Pool, Spa, and Hot Tub

Brand: Pool Mate

Features:

Pool Mate Calcium Increaser increases water hardness in pools and hot tub toprevent low calcium hardness problems including corrosion of equipment, pool staining, and destruction of pool and spa surfaces made of concrate or plaster.  

Always measure calcium hardness(CH) level before adding Calcium Hardness Increaser because the only way to lower calcium hardness in your pool or hot tub is by draining and refilling part/whole of your water.

The ideal range 200 - 400ppm for tiles and plaster pools, 200-300ppm for Vinyl Pools, and 250-400ppm for Fiberglass pools and should all be within the range always.

To use Pool Mate Calcium Increaser efffectively, mix the right amount with pool or spa water in a bucket and pour slowly around your pool or hot tub while water is circulating.

Measurement: For a 5000 gallons pool or spa, add 7.2 oz to increase Calcium Hardness level by 10ppm