HELP APPRECIATED!! Black Under Fin & Lips Turning Black

Jan 30, 2006
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#1
I have a parrot fish that I have been treating for Ich. The Ich seems to be going away (other fish are fine), but it appears he has something else too. Under his top fin is a line that appears dark brown/black in color. A few days have gone by and he now has a dark line around his lips. Is this a parasite? I have tested the water and it appears to be ok.
 

Lotus

Ultimate Fish
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Aug 26, 2003
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#2
It sounds like cotton wool disease. You should be able to get a medication to treat it at your local fish store. Has the ich gone away? It's not a good idea to mix medications, so you would have to remove the ich medication first. What ich med are you using?

Can you post the results of your water tests?