Pool Super Chlorinating Tablets, 3-In., 35-Lbs.

Hth, 35 lb, 3" stabilized chlorine tablets, sanitizes pool water, stabilized, sun protected for extended chlorine life, for use in skimmer or floater, protects against bacteria & algae growth, active ingredients: trichlors-s-triazinetrione 93.6%, zinc sulfate monohydrate 3.5%, other ingredients 2.9%, available chlorine 84%.