I recently had a velvet outbreak as some of you know. I started treating with CP that I had gotten from eBay because I was waiting on copper to arrive. This Sunday I did a big water change and added Cuprion per reccomended dose. Yesterday I noticed my yellow tang was hiding in the pvc pipe all day which is completely out of character. This morning before I went to work the tang was swimming in circles. Now it is somewhat sideways. I’m getting ready to put the tang in a smaller 10 gallon qt tank for now to get it out of the copper. I added carbon to the 55gallon qt Incase the copper level is to high. It’s hard to tell between 0.2 and 0.5. Therapeutic level is 0.2. Is there an alternative to the copper Incase the tang is copper sensitive? The only CP I can get is the eBay CP. the fish seemed to do well in it and survived despite the velvet outbreak in it for over a week. Should I just go back to using the CP? Any help would be appreciated.
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