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Blue Print by Natural Chemistry SOAK Cal Up Calcium Hardness Increaser 907g

Save 13%
Original price $11.46 CAD
Current price $9.99 CAD

SOAK Cal Up Calcium Hardness Increaser is used to raise calcium hardness in spa water. Calcium hardness in spa water should be maintained between 150-250ppm. Low calcium hardness levels could cause the spa water to be corrosive which may result in damage to the spa surface or equipment.


  • Brings calcium hardness level to an ideal range
  • Reduces cloudy water caused by low calcium levels