HTH 5LB 1" Chlorine Tablet

HTH, 5 LB, 1", Chlorinating Tablets, Are An Effective Swimming Pool Water Sanitizer, Convenient & Easy To Use Tablets Are Formulated To Protect Against Chlorine Loss In Direct Sunlight, & Can Be Used In Feeders, Designed To Dissolve SlowlyProviding A Steady Source Of Available Chlorine, Up To 1 Week.