50 lb Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving, Individual

[Active Ingredients]:Each chlorine tab 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 your pool remains effective with 3 inch chlorine tablets even under direct sunlight exposure. chlorine tabs are designed to dissolve slowly and last up to one week. [Suitable for all pools] : This product is great for all swimming pool types, including above ground and in-ground pools. 3 inch chlorine tabs for swimming pool fit easily into most of pool skimmers, floaters or other chlorinating devices.