U.S. EPA registered pesticide info
'Mr. Holiday 7oz. Day Slow Dissolving Chlorinating Tablets.' is an algaecide and disinfectant. Its Federal EPA registration number is: 12200-3. It was originally approved by EPA on 23 Oct 1984. Its registration got cancelled on 10 Oct 1989. 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.