Granular chlorine 99% Trichlor with minimum 90% available chlorine. This powerful stabilized chlorine Kills algae and bacteria. It can be used as a spot treatment product to treat black algae on plaster or white aggregate pool surfaces.

• Granular algaecide for spot treatment of Black Algae in White Plaster Pools
• Concentrated - Stabilized

99% Trichloro-s-triazinetrione
Available Chlorine: 90%

Available in various sizes.