Stain Free Extra-Strength
Natural Chemistry StainFree Extra-Strength is a natural stain remover that attacks surface stains created by metals found in your pool water. It harnesses the stain-fighting power of ascorbic acid to prevent and remove stubborn stains fast. StainFree Extra-Strength is phosphate free and compatible with all forms of water sanitizers for pools as well as spas.
- Naturally occurring ascorbic acid fights stains fast
- Safe for pool liners and all types of pool surface finishes
- Works with all water sanitizers