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Prevent Algae from Growing in Your Birdbath

By flaflwrgrl
December 10, 2011

To keep algae growth from your bird bath drop some pre-1982 copper pennies in. I have what I would call a normal size bird bath & I use 7 pennies. The reason for the pennies being pre-1982 is that before that year, the pennies contained copper, a natural algicide. You could also use a small length of copper pipe or tubing, or any other copper coin. I have found this to work extremely well with the exception of those times when the temperatures stay above 90 for extended periods. Copper is not safe for fish so this would not be a good thing to use in a fish aquarium or a pond that has fish in it.

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hbrewer44
Jul 15, 2014 3:19 PM CST
would it work in an aquarium
Name: Mary
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fiwit
Jul 15, 2014 5:31 PM CST
Welcome! to ATP!

That's a really good question, but I'm not sure you'll find the answer here. You might want to contact your local aquarium provider, because I'm certain they know more about how to prevent algae growth in an aquarium. As far as preventing algae in birdbaths, this works GREAT! Thumbs up

by the way, I just noticed where @Trish answered a similar question for another member. http://garden.org/thread/view_post/624934/ In her reply, she says that copper is dangerous for fish, so you might NOT want to try this in your aquarium.
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[Last edited by fiwit - Jul 15, 2014 5:34 PM (+)]
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