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Prevent Algae from Growing in Your Birdbath

By (@flaflwrgrl) on
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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Comments and discussion:
Subject Thread Starter Last Reply Replies
Untitled Bobbie40 May 15, 2016 12:38 PM 0
copper in a birdbath to prevent algae pilot724 Mar 26, 2015 12:38 PM 4
Never thought of that! KyWoods Mar 26, 2015 8:59 AM 86
this is not safe for fish flaflwrgrl Mar 22, 2015 8:50 PM 0
would it work in a pond elizabethg8 Mar 22, 2015 6:28 PM 5
Copper in bird baths crstruiz Jan 16, 2015 5:42 AM 5
pennys in birdbath hbrewer44 Jul 15, 2014 5:31 PM 1
Penny's in birdbath Dotti May 29, 2014 12:54 PM 2
copper in bird bath gayel May 28, 2014 3:32 PM 2
Copper in bird baths Welance May 25, 2014 1:32 PM 3
Untitled kladybug42 May 25, 2014 12:50 PM 1
Untitled rdmtrk May 25, 2014 12:44 PM 2
Pennies and stings lisenbyacr May 25, 2014 11:43 AM 1
Untitled joolsgardener May 25, 2014 5:13 AM 0

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