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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.
May 28, 2014 8:31 AM CST
|Would a short length of copper pipe work in a garden pond?|
May 28, 2014 10:09 AM CST
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Copper is not safe for fish, if you have them in your pond. If your pond is only plants, then this tip is great for you.
As for size, it really just depends on the amount of water, so giving you a definite answer is tough. A few pennies work in a birdbath, so try to scale up from there
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May 28, 2014 3:32 PM CST
|I'll add that copper isn't going to be very effective for a large body of water. For a little birdbath it really does work great but I wouldn't try it in a pond setting. Keeping the sun off your water is the best algae preventative for ponds. So plant plants that shade the water.|
Mar 26, 2015 8:51 AM CST
Trish said:Hi Pilot!
Actually, copper IS safe for fish. Not for inverts, though. Many aquatic medications contain copper. I've kept pennies in my aquariums to combat snails for years. Always pre-1982.
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Mar 26, 2015 12:38 PM CST
|Thanks for that Toni!
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