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 used with any sanitizing system and is compatible with all spa surfaces.

• Counteracts the effects excessive mineral scale buildup in spas
• Controls metal staining
• Phosphate and acid free formula