Anyone out there successfully treated this? I have 5 discus in a 180ltr tank along with neons, cardinals and some ottos. I do a 50% water change 2-3 times a week. One of the discus has hole in the head and has had for some time now. I'v tried two different treatments and this second one seems to be helping a bit (eSHa HEXAMITA). I did a 3 day course and wondered when you can start the same again or should i not do that? His colour is coming back slowly but he still has a large hole in the head with what looks like fur growing on it. Does this take long to heal and should I do anything else?