GUARDIAN® STAIN FREE
- Removes and prevents stains from forming on swimming pool and spa walls
- Prevents pool and spa water from turning brown due to high iron content
- Dissolves stubborn lime deposits
- Specifically formulated to remove stains from both
above ground and below ground swimming pools and spas
STAIN FREE dissolves existing stains by neutralizing the metallic ions of copper, iron and magnesium in pool and spa water. Continued use of STAIN FREE will prevent discoloration and staining from taking place.
Add one (1) quart of STAIN FREE per 20,000 gallons of pool / spa water.