Copper Not Working

ilove2ride

Member
I have had a firefish in Quarantine for about 4 weeks. After the 1st week, he started showing signs of ich. I added "copper power" recommended by a LFS. The ick went away, but came back, barely noticable 2.5 weeks later... now. I have been changing water out, and not adding any more treatment, the bottle says only to add it once. Should I add more? Do a 50% water change? I can barely see the ick, the firefish is eating, and now I have to wait even longer for him in my QT, which BTW is only 5 gallons.
Thank you.
 
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