Calcium Hardness Increaser

Proper calcium hardness levels help prevent corrosion of equipment and etching of spa surfaces. ​ Use Calcium Hardness Increaser to raise calcium hardness to the proper level. ​ For areas with high calcium in the source water, use Stain & Scale Control to prevent formation of scale.

Calcium Hardness Increaser:

  • Increases calcium hardness level in spa water
  • Helps prevent corrosion of spa equipment and surfaces
  • Raises alkalinity level to protect spa water from sudden changes in pH
  • Helps prevent staining, corrosion and pH bounce
  • Raises pH
  • Protects corrosion of equipment due to low pH
  • Balances water for bather comfort
  • Lowers pH and total alkalinity
  • Protects spa and equipment due to improper pH
  • Prevents cloudy water due to high pH
  • Balances water for bather comfort

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