white fuzz on yellow tang

guyverd

New member
A white fuzz has developed at the base of my yellow tang's tail. This morning it has spread to his nose and forehead. He is very old >11 yrs old, but I just introduced new fish on Friday, and the very next day he had the fuzz. Is it possible for him to get infected that quickly? pics attached
 

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^^ Agree

If it's brook, the skin/scales should start "peeling" soon.

Best treatment is a 45 min formalin bath or 90 min bath using Ruby Reef Rally or 5 minute freshwater dip.

Once in QT, I would dose metronidazole (Seachem Metroplex) every 48 hours to be sure its completely knocked out.
 
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