Natural Chemistry Spa Stain & Scale Control Size:1 pt Whether you are using your

Whether you are using your swim spa for working out or relaxing

The Premier Viton elastomer resists chlorine

Mustard & Black Magic is made right here in the USA for the highest possible quality

and animals including aquatic life

Natural Chemistry Spa Stain & Scale Control Size:1 pt Whether you are using yourNatural Chemistry Spa Stain & Scale Control protects your spa from the damaging effects of scale buildup 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 used with any sanitizing system and is compatible with all