U.S. EPA registered pesticide info
'Tab-a-day Fast Dissolving Chlorinating 2 1/4 Oz. Tablets' is an algaecide and disinfectant. Its Federal EPA registration number is: 4829-80. It was originally approved by EPA on 29 Sep 1983. Its registration got cancelled on 30 Nov 1992. It has a 'Danger' signal word. It has the following active ingredients: Trichloro-s-triazinetrione. It's approved for 1 sites including swimming pool water. It is also approved for 2 pests and pest groups including but not limited to algae and animal pathogenic bacteria.