Compositions for the Control of Algae in Commercial Hoticulture
New, highly effective and long-lasting algaecidal compositions of aqueous solutions of one or more organic acids and a source of metal ions.
1 . An algaecide, comprising: in aqueous solution one or more organic acids either alone or in combination with a source of metal ions.
2 . The algaecide of claim 1 , wherein the organic acid comprises a carboxylic acid.
3 . The algaecide of claim 1 , wherein the organic acid is selected from the group consisting of propionic acid, acetic acid, benzoic acid, and sorbic acid.
4 . The algaecide of claim 1 , wherein the source of metal ions comprises metal salts.
5 . The algaecide of claim 4 , wherein the metal salts are selected from the group consisting of salts of chromium, manganese, iron, cobalt, nickel, copper and zinc.