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Product Image Natural Chemistry Calcium Hardness Increaser 1.75 lb.

Natural Chemistry Calcium Hardness Increaser 1.75 lb.

$ 7.00

  • Natural Chemistry Calcium Hardness Increaser
  • 1.83 lb. powder, measure in dry ounces.
  • Increases the hardness levels in spa water; best readings are from 150-250 ppm for most effective sanitizer efficiency.


SKU: NCcalup