Question Pond Algae

bolivianbaby

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My friend has an outdoor pond. Someone told him that he could put either barley, oats, or wheat in a net to combat algae. He has around 12 "feeder" goldfish (he has a big heart) in the pond. I'm pretty sure it's a 300 gallon pond.

Has anyone ever heard of this and would there be any negative side effects to either the water parameters or the fish?
 

Butterfly

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I've heard of putting barley blocks in to combat algae. So I did some searching and this is what I found

quoting from the article- " barley produces minute amounts of hydrogen peroxide which kills newly forming algae. The old algae will die on it's own."
from personal experience hydrogen peroxide won't harm fish so who knows maybe it will work.

Carol
 

Tana

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Barley bales do work but it breaks down very slowly before it starts to be effective. They have liquid barley extract that works a lot sooner and you don't have to mess with fishing the used bales out of the pond. I use it now and the BF uses it religiously for years and it has never harmed his fish or plants.
 
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bolivianbaby

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Thank you ladies! I'll get this information to him. He heard about it and wanted to check before he used it to make sure there were no side effects.
 
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