Spa Pure Hardness Increaser 16 oz universal-spill-kits Swimming Pool Cleaning Brush

Swimming Pool Cleaning Brush

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Brand: North

Bayonet-style connection fits a wide range of compatible half and full facepiece 3M™ Reusable Respirators

Spa Pure Hardness Increaser 16 oz universal-spill-kits Swimming Pool Cleaning BrushSpa Pure Hardness Increaser Booster (Calcium Hardness Increaser) increases the overall hardness of your spa or hot tub water. Low calcium hardness can corrode the heater and damage the spa surface, and can also contribute to excessive foaming. High calcium hardness can cause scale buildup and cloudy water. The high water temperature of a spa makes it harder for calcium to stay in solution, so it is recommended to use Stain and Scale Preventer weekly