hth® calcium hardness increaser, 4 lbs.

hth® calcium hardness increaser is used to raise the calcium hardness of swimming pool water.

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About This Item

hth® calcium hardness increaser 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.        

  • Raises calcium hardness levels
  • Prevents corrosion of metal & plaster surfaces
  • Compatible with salt systems
  • Apply directly to pool

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Balance With HTH Calcium Hardness Increaser


Raises Calcium Hardness of Pool Water

HTH® Calcium Hardness Increaser works by raising the calcium hardness of pool water.  

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Keeps Swimmers Comfortable

Keeping your pool balanced is key to ensuring a comfortable swim for all. In addition to maintaining pH levels between 7.2 and 7.8, make sure the water has enough calcium; 200-500 ppm is the ideal range. 

pool water filter

Protects Pool Surfaces From Corrosion

Balanced pool water also helps protect your pool equipment and surfaces from corrosion, stains or other damage. 



 

 

 


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