Pool Calcium Hardness Calculator

Pool Calcium Hardness Calculator

A Swimming Pool Chemical Calculator

Adjust sliders to calculate pool calcium hardness

Pool Gallons: 0

Current Calcium Hardness: 200

Desired Calcium Hardness: 300

Recommended 200-400ppm

PLEASE FILL IN ALL FIELDS!
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Swimming pool calcium hardness must be managed to maintain balanced pool water. Recommended range for pools is between 200-400 ppm. Having the calcium hardness out of range can lead to problems with water quality and equipment damage. Calcium hardness should be tested regularly using test strips or reagents.

Sponsored By:
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More About Pool Calcium Hardness

LOW CALCIUM HARDNESS EFFECTS < 200ppm:
  • Pitting of concrete pool surfaces
  • Plaster etching
  • Grout dissolving damage
  • Concrete pool deck pitting
HIGH CALCIUM HARDNESS EFFECTS > 400ppm:
  • Cloudy water
  • Scale build up causing rough surfaces
  • Clogged filters and reduced circulation
  • Reduced heater efficiency

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