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Spa Stain & Scale protects your spa from the damaging effects of scale build-up and staining due to excessive calcium, iron, copper and other minerals. It works without the use of phosphates or harsh acids. Spa Stain & Scale assists in preventing scale from forming on salt generator cells, protecting the cell from life shortening damage and performance issues. This product can be used with most sanitizing systems and is compatible with all spa surfaces. Do not use with biguanides.
Directions for use:
Initial Treatment or Fresh Fill Add 8oz (237ml) per 200 gallons (757L) directly to spa water
Weekly Maintenance Add 1oz (30ml) per 400 gallons (1500L) directly to spa water Note: If water hardness level is above 500ppm, double the recommended dose