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

• 99% trichloro-s-triazinetrione
• Available chlorine: 90%
• Concentrated and stabilized black algae in white plaster pools