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brown spot disease ?

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Just found this guy dead tonight. Yesterday he was fine.


Now i found another alive, but has discoloration and some stuff on him near the tail. Quarantined now.


The rest seem to be doing fine as far as i can see.

I have some hydrogen peroxide 3% and melafix in hand atm. Or should i not use either and get some better meds ?

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Hi Bort,


Have you checked all your water parameters? The stuff on the back is unmolted shell- the shedded skin on pandas have that brown tint naturally. It appears more  of a moulting issue. 

Brown spot disease looks different to your pic.

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