Spa Pure Hardness Increaser 1 Lb C002729-CS20B6

Mfg #:
C002729-CS20B6 |
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SpaPure(R) C002729-CS20B6 Hardness Increaser; 16 oz 

Low calcium hardness can corrode the heater and damage the spa surface, and also can contribute to excessive foaming. High calcium hardness can cause scale buildup and cloudy water. High water temperature of a spa makes it more difficult for calcium to stay in solution, so it is recommended to use Stain and Scale Preventer weekly to prevent scale buildup.