Active Ingredient: Sodium Carbonate Peroxyhydrate
A broad spectrum granular algaecide/fungicide. Kills algae on contact with its powerful oxidation reaction and is labeled for use in lakes, ponds, and large bodies of water, as well as on non-painted surfaces like benches and walkways. Irrigation water can be used without interruption after treatment. NSF/ANSI Standard 60 certified for drinking water.
*Restricted use in CT & NY
REI = 1