3-In. Super Chlorinating Tablets, 5-Lbs.
"The HTH(TM) super 3"" chlorinating tablets, 4 lbs., are an effective swimming pool water sanitizer. These convenient and easy to use tablets are formulated to protect against chlorine loss in direct sunlight, and can be used in feeders. They are designed to dissolve slowly to provide a steady source of available chlorine and sanitize, prevent algae, and staining and scaling. Contains clarifier.