Rx Clear 3" Stabilized Chlorine Tablets for Swimming Pools, 50 lbs

Rx Clear 3" Stabilized Chlorine Tablets for Swimming Pool, 50 lb Bucket Slow-dissolving, with a balance of 90% available chlorine and 99% Trichlor to stop algae and bacteria growth Stabilized with cyanuric acid, forming an iso-cyanurite Each chlorinating tablet is pH 2.7 and weighs 7 oz Use one tab per 5,000 gallons of pool water Safe to use on swimming pools.