ProGuard 50 lbs. 3 in. Tablets 8 oz. Chlorinating Tablet

Slow-dissolving 3 in. Chlorinating Tabs keep your water clear with a built-in stabilizer to protect your chlorine from sunlight burn-off. Use them twice a week in your floating dispenser, skimmer or automatic chlorinator. Available in a 50 lbs. pail.|Model 21785BPG|Reduces the growth of harmful algae and micro-organisms in pools|Slow-dissolving with no clouding of water|UV stabilized, reduces loss of chlorine residual due to sunlight|Each 3 in. tablet weighs 8 oz.