Salt Support Stain and Scale 1 qt.

The Salt Support Stain and Scale product is a powerful liquid formula designed specifically for salt water pools. Working in conjunction with the salt present in the water, this product is highly effective for prevention of staining, water discoloration and metal scaling. This product is safe for all surfaces, and is compatible with chlorine, bromine, biguanide, ozone, UV and mineral sanitizing systems.  Phosphate free formulation.