Salfin Tang fungus?

TonysMonsterFish

Feeder Fish
MFK Member
Dec 20, 2014
15
0
1
New York
Recently purchased a salfin, it's been about a week and I've noticed it has a small but noticeable white patch on only it's top fin and back fin. I know its not ich, could it possibly be a fungus? If so whats the best way to treat it.
 
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