Stain Free Extra Strength quickly removes stubborn metal stains. This premium stain fighter contains 100% ascorbic acid that quickly removes metal staining without adding phosphates to the water. It is ideal for treating stains on all pool surfaces.
Natural Chemistry Stain Free Extra Strength
- Quickly removes stubborn stains
- Safely removes metal stains from pool plaster, liners & fiberglass surfaces
- 100% ascorbic acid – the premium stain fighter!
- Compatible well with all sanitizing systems
- 1.75 #