The HTH 4 lb. Green-to-Blue Shock System is suitable for use in pools and is designed to make green-colored water blue. It comes in a powder form and can provide 2 treatments for 5,000 gallons of water.
- Powder form
- Clarifies water for a blue color
- For use in pools
- Provides 2 treatments for 5,000 gallons of water
- Can provide 1 treatment for 10,000 gallons of water