• Availability: In Stock
  • SKU: 1707

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: 680 g


One capful holds 25 grams.

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