ProTeam Power 73

This fast-acting sanitizing concentrate contains 73% Calcium Hypochlorite and provides 73% available chlorine, making it one of the strongest granular shocks available on the commercial market. It is formulated to scour pools of heavy organic contaminant buildups, destroy stubborn algae blooms, and eliminate foul chlorine odors caused by chloramines. Because it is un-stabilized, it contains zero cyanuric acid (CYA), preventing the risk of "chlorine lock" in heavily treated pools