I have a betta fish in a 10 gal
tank; a few months ago he began to fin nip and I'll be honest, at that time I was not cleaning his tank as much as I should and he developed fin rot. For a little over a month I have been stepping up my game and really trying to get rid of it and have been keeping his water clean and trying really hard to fix him.
I've been seeing a lot of fin growth since I've started treatment he was responding well and everything was going fine. Well today I woke up and found that he has nipped ALL of his new growth off! I'm at a loss, this is the last day of his e.m erythromonycin treatmeant, his water is good, nothing's majorily changed. I've removed everything but his substrate and felt plants this nmorning even though I know they couldn't have possibly ripped off EVERY single inch of new growth in 1 night.
I'm completely at a loss, I have no idea what to do to fix him anymore. I can't fix his fins if he keeps ripping them off. He is a long finned variety and doesn't have strong flow. Is there any possible thing I can try to stop him from nipping everything new off?