PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving,Individually Wrapped,Pool Chlorine Tablets, 2-Pack,4 lb per Bucket，8lb Total

Active Ingredients:Each chlorine tablets contains 99% Trichloro-S-Triazinetrione with 90% available chlorine.Clean Effectively: Kills bacteria and stops algae growth to keep your pool clean and clear all season long.Long-Lasting Protection: Ensure...