4lb Calcium Plus


Calcium Plus raises the calcium hardness of swimming pool water. The ideal calcium hardness range is 200-500 ppm. Maintaining calcium hardness below 200 ppm may cause corrosion of metal and plaster surfaces.

Out of stock

SKU: 073187620552 Categories: , , , Product ID: 1389


Useful Tips:

  • Test calcium hardness monthly and add this product if calcium hardness is below 200 ppm.
  • Use convenient dosage chart on product label.
  • If a large amount of Calcium Plus is required (more than a 50 ppm addition), add in 1/3 increments, allowing 4-6 hours between additions.

Additional information