In The Swim 1 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Fast Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds U001050050AE

90% available stabilized chlorine and 98.6% Trichloro-S-Triazinetrione (TriChlor) Eliminates bacteria and prevents algae growth in hot tubs, spas, above ground or in-ground swimming pools Helps to avoid inconsistent chlorination Dissolve at a faster rate when used in floating feeders and automatic chlorinators Tablets weigh approximately 0.5 ounces