Premium grade, 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. Great for all pool surfaces.

• Kills bacteria, controls algae, and destroys organic contaminants
• No Need to Predissolve
• Restores sparkle and clarity to water

73% Calcium Hypochlorite
Available Chlorine: 70%

Available in various sizes.