Stain and Scale Control protects spas from the damaging effects of scale buildup and staining due to excessive calcium, iron, copper and other minerals. It works without the use of phosphates or harsh acids. Spa Stain and Scale also works to prevent scale from forming on salt generator cells to help maintain optimum performance.
Directions for use:
This product is designed for use in properly balanced spa water.
Initial Treatment of Fresh Fill: Add 8oz per 200 gallons directly to spa water.
Weekly Maintenance: Add 1 oz per 200 gallons directly to spa water.
Note: If water hardness level is above 400ppm, double the weekly maintenance dosage.