Protect your indoor and outdoor swimming pool against bacteria, algae and other organisms and enjoy clean, clear water with HTH® super 3 in chlorinating tablets. This stabilized chlorine sanitizer comes in 3 in tablets for use in feeders, floaters and skimmers, it's also compatible with saltwater systems. This stabilized chlorine sanitizer comes in 3 in tablets for use in feeders, floaters and skimmers, it's also compatible with saltwater systems. Easy to use and slow dissolving to provide a steady source of free available chlorine, one tablet treats 10,000 gal of water for up to one week. These chlorine tablets are formulated with cyanuric acid (CYA) to help protect against chlorine loss due to sunlight and they have built-in algae protection and clarifier. Spend more time splashing and less time sanitizing with HTH® super 3 in chlorinating tablets for swimming pools.