It's an old theory. When I was a kid we used to put a pennies and a
dime in our aquarium filters to control algae and kill parasites. The
problem is some smooth skinned fish (like eels) and invertebrates can
not tolerate it. If I remember right it killed snails also. (not sure
on that)

"Bob in PA" wrote in message
...

http://cgi.ebay.com/ws/eBayISAPI.dll...tegory=20 520

Check it out... Copper and Ponds just don't seem kosher to me.
It's
actually getting bids.


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