Fast-acting, fast-dissolving 73% calcium hypochlorite granules. Shock treatment and super chlorinator for pools. This granular calcium hypochlorite kills bacteria, controls algae, and destroys organic contaminants. For use with all pool surfaces.

• Puts the sparkle back in dull, flat water
• Helps eliminate unpleasant odors & conditions that cause eye irritation
• Increases chlorine efficiency
• Kills bacteria, controls algae, and destroys organic contaminants