Now I was told that you can't use copper with Balla sharks or loaches in the fresh water systems and they are considered scaleless. So I would say No. for them I was to use ecolibrium for fresh water but I think they also make a salty one too
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1-135 gal Freshwater planted tank
1-120 gal Reef **For Sale**
It's just my opinon, I have lots of them.
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