Product Overview
Quick Highlights
- Less expensive alternative to ascorbic acid
- Fights stains on all pool surfaces
- Effective on vinyl and fiberglass surfaces
- Compatible with all sanitizers and pool surfaces
- Phosphate-free formula
- 100% citric acid
- All natural way to eliminate staining
Technical Specs
Direction for use:
Stainfree
A non-polymer filter aid MUST be used in sand filters with this product
- Add 1lb of Stainfree per 10,000 gallons (38,000L) of water. With the filtration system on, walk around the pool and sprinkle the product evenly on the surface, brush stained areas.
- One hour later, add METALfree to pool water at the rate of 32oz (1L) per 20,000 gallons (75,000L)
- 24 hours later, pool must be thoroughly vacuumed and the filter cleaned
- Test water and balance water if necessary
Important: DO NOT shock pool for one week. If chlorine level is low, add small amounts of chlorine. Do not exceed 2ppm.
