'Ortex Pool Shock' is an algaecide and disinfectant. Its Federal EPA registration number is: 7124-47. It was originally approved by EPA on 23 Apr 1979. 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 black algae.