U.S. EPA registered pesticide info
'Ultrascreen-soluble Slow Dissolving Chlorine Sticks' is a disinfectant. Its Federal EPA registration number is: 12711-3192. It was originally approved by EPA on 01 Jan 1976. Its registration got cancelled on 01 Jul 1987. 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 black algae.