Hth 42043 8LB 3″ Sup Chl Tablet

HTH 8 lb. 3 in. super chlorinating tablets. For use in skimmer or floater, sanitizes pool water, stabilized, sun protected to extend chlorine life, protects against bacteria and algae growth. Active ingredients include Trichlors-S-Trazinetrione 93.6%, Zinc Sulfate Monohydrate 3.5%, Other Ingredients 2.9%, Available Chlorine 84%.