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Algaecide oralgicide is abiocide used for killing and preventing the growth ofalgae, often defined in a loose sense that, beyond the biological definition, also includescyanobacteria ("blue-green algae").[1] An algaecide may be used for controlled bodies of water (reservoirs, golf ponds,swimming pools), but may also be used on land for locations such asturfgrass.[2]
Barleystraw, inEngland, is placed in mesh bags and floated infish ponds orwater gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by theUnited States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in theUnited States and England. It is unclear how straw actually works.[6]
Algicidal andfungicidal paint applied to a building
^Van Hullebusch, E.; Chatenet, P.; Deluchat, V.; Chazal, P. M.; Froissard, D.; Lens, P. N.L.; Baudu, M. (2003). "Fate and forms of Cu in a reservoir ecosystem following copper sulfate treatment (Saint Germain les Belles, France)".Journal de Physique IV (Proceedings).107:1333–1336.doi:10.1051/jp4:20030547.
^Pesticide Research Institute for the USDA National Organic Program (23 March 2015)."Hydrated Lime: Technical Evaluation Report"(PDF).Agriculture Marketing Services. Retrieved17 July 2019.
