'Cairox Ff Algicide' is an algaecide. Its Federal EPA registration number is: 8429-7. It was originally approved by EPA on 09 Sep 1982. Its registration got cancelled on 01 Jul 1987. It has a 'Danger' signal word. It has the following active ingredients: Potassium permanganate. It's approved for 1 sites including human drinking water. It is also approved for 1 pests and pest groups including but not limited to algae.