SpaBoss Cal-Rise


SpaBoss Cal-Rise raises the calcium hardness of your spa water; it is completely soluble in water, leaving your spa water ready for use immediately after application.

Size: 680gr

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Cal-Rise will raise the calcium hardness in spa water. Cal-Rise is completely soluble in water.

It is safe to use the spa immediately after the application of Cal-Rise.


  • Test the total hardness of spa water regularly
  • Broadcast Cal-Rise over the water surface according to the table below;
Total Hardness Reading Add qty/1000L of water
80 ppm 160 grams
120 ppm 120 grams
160 ppm 80 grams
180 ppm 60 grams

*Ideal Calcium Hardness level is between 200- 400 ppm

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Weight 1.49 lbs
Dimensions 3 × 3 × 9 in
Brand Name



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