Natural Chemistry Spa Stain & Scale Control Size:1 qt Calcium Hardness Increaser raises and

Calcium Hardness Increaser raises and helps maintain the proper levels of calcium

Water quality and filtration can be greatly improved by cleaning your filter a minimum of twice per year

Compatible Vacuums:

adding no phosphates

and salt water pools

Natural Chemistry Spa Stain & Scale Control Size:1 qt Calcium Hardness Increaser raises andNatural 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