Natural Chemistry Stain & Scale Control - 32 oz. Brand_ControlOMatic Cartridge filters look clean after

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Natural Chemistry Stain & Scale Control - 32 oz. Brand_ControlOMatic Cartridge filters look clean afterNatural Chemistry Stain & Scale Control 32 oz. Overview Natural Chemistry Spa Stain & Scale Control protects your spa from the damaging effects of scale build up and staining due to excessive calcium, iron, copper, and other minerals. Spa Stain & Scale works without the use of phosphates or harsh acids. This product also works well at preventing scale from forming on salt generator cells, to help maintain optimum performance. Best of all, it can be