5lbs Pool&Spa 3-inch Chlorine Tablets, for Swimming Pool and Spa Use, 5lbs

99% TRI-CHLOR, 90% AVAILABLE CHLORINE, trustable chlorine tablets. KEEP POOL WATER FRESH: No more dirty swimming pools, use these chlorine tablets to get clear water, to create a cleaner, more enjoyable swimming space. And reduce the amount of chemicals you need to add. EASY TO USE: Just place tablets in the pool floater or feeder, then put into the pool every week or as often as needed to keep the water clear. USAGE WIDELY: The chlorine tablets can be used to swimming pools, hot tubs and spas, bathtub, hot spring pool, sauna pool and water park, etc. FEATURES: Dissolves slowly for a steady application of chlorine to your indoor or outdoor pool for up to a week; sun protected