Hi, I,m Felix(Indonesia)
As I see your pic, I,ve suggestion for treatment in external, U can use metilen blue.My syno like that too.

Hi Marc,It's my pleasure to meet U.That's what I mean, I've tried with malachitegreen, oxtitetracicline, and furazolidon. But my treatment doesn't have a good result. I've 2 times like this, n the 1st time all of my stock was died about 1000.

Hi, my name is Felix (Indonesia)
I,ve read this forum n I see a lot of expert here.
I'm a ornamental fish breeder in Indonesia, I've a problem with my little C.panda, in 600, about 20-50 dead day by day, total stock that I,ve is 2000, they body have a cotton.May I have your suggestion what I've to ...