My axie had a fungus problem on one gill a few weeks ago and I treated it with salt baths and fridging. I kept him in the fridge for a few more days to make sure the fungus was gone. For some reason, the fungus came back even worse and now its growing all over his face and body and he has red rashes all over his body and tail. There's also a small black spot on his back. Any idea what this could be? I don't know how this could be a water problem. I've been changing it daily with dechlorinated water. He looks terrible and seems miserable! I really don't know if he's gonna make it... this has really taken a turn for the worst.