U.S. EPA registered pesticide info
'Nu.clo Quick Dissolving Chlorinating Tablets One-a-day 20,000 Gallons' is an algaecide and disinfectant. Its Federal EPA registration number is: 7124-65. It was originally approved by EPA on 24 Oct 1980. Its registration got cancelled on 15 Oct 2004. 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.