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2. Algaecide - Wikipedia

   en.wikipedia.org/wiki/Algaecide

   Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United 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 the United ...

3. Facultative lagoon - Wikipedia

   en.wikipedia.org/wiki/Facultative_lagoon

   Facultative lagoon (polishing pond) providing tertiary treatment after a constructed wetland in Hamburg-Allermöhe, Germany. Overflow from the facultative lagoon may be routed through one or more polishing ponds supporting lower populations of anaerobic micro-organisms and a higher proportion of aerobic organisms adapted to survival in lower concentrations of organic material.

4. Harmful algal bloom - Wikipedia

   en.wikipedia.org/wiki/Harmful_algal_bloom

   Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.

5. Four of Lake Geneva's six beaches remain closed due to ... - AOL

   www.aol.com/four-lake-genevas-six-beaches...

   Blue-green algae illness symptoms in humans. According to the Wisconsin DHS, blue-green algae exposure can cause the following symptoms in humans: Sore throat. Congestion. Cough. Wheezing.

6. Birders, environmental groups alarmed by proposed Lake ... - AOL

   www.aol.com/birders-environmental-groups-alarmed...

   A Northern Pintail is shown feeding on Lake Mattamuskeet in 2016. The Hyde County lake is the proposed site of an algae treatment pilot program that received $5 million in the 2021 North Carolina ...

7. How an algae-infested koi fish pond is deep cleaned - AOL

   www.aol.com/news/algae-infested-koi-fish-pond...

   The process involves netting out leaves and muck, power washing algae from rocks, and aerating the pond water. Sam Bates walks us through how he safely relocates koi fish to dewater the pond for a ...