Just bought an indo as you have seen, my giant danios have a small amount of mouth fungus can i treat it in the tank bearing in mind i have a dat and a bgk
I have used it many times and never had a problem, but many other people claim it has killed there fish. I don't think it was the melafix that killed there fish it has never killed any of mine.
i have only ever used it once before the whole time i kept fish and it was for a wound, i dont think it cures anything but helps with infection control.