poolife® Calcium Plus raises the calcium hardness of swimming pool water. The ideal calcium hardness range is 200-500ppm. Maintaining calcium hardness below 200ppm may cause corrosion of metal and plaster surfaces.
- Test calcium hardness monthly and add this product if calcium hardness is below 200ppm.
- Use convenient dosage chart on product label.
- If a large amount of poolife® Calcium Plus is required (more than a 50 ppm addition), add in 1/3 increments, allowing 4-6 hours between additions.
AVAILABLE SIZES: 4 lbs. / 7 lbs. / 20 lbs.
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