Well, I made a mistake and added a dwarf gourami to a tank that had Buenos Aires tetras in it. The tetras harassed the poor thing and now I've moved it to a 5 gallon hospital tank. It's fins are pretty shredded, but it's still feeding and without the tetras bugging it it appears to be much less stressed. I'm considering treating w/Melafix to help the fins grow back. Is this an appropriate treatment or should I treat w/something else or just leave it and let time heal all wounds?