The Planted Tank Forum - View Single Post - Copper In aquarium water
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post #2 of (permalink) Old 10-08-2012, 03:30 PM
No more Bow ties
mistergreen's Avatar
Join Date: Dec 2006
Location: Cincinnati
Posts: 15,505
Copper is fine for about 75 years.
It forms an oxidized layer that protects it from degrading.

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