Hi, I have a opaline gourami, rtbs and my angelfish has got finrot. Basically, when I got a gourami back from a neighbour's tank, it was kept in water that had many ph balance chemicals in it. The water went into my tank and it went really cloudy. Later that night I decided to do a full water change because my angel had quite bad fin rot. (only just now I've realised that fin rot is usually caused by stress
) I put medication in but it doesn't seem to have had any effect. The gourami and rtbs occasionally chase it, but not very often. It is very listless at the moment, just kind of floating in the same place, but it is eating. I don't have another tank to put it in and I don't know what to do. It's also probably stressed because it's in a tank too small for it (58 litre/15 gallon). Only after I got it, I realised that the pet store is not so reliable when selling fish. It's finrot is getting worse, is there anything I can do, except try not to stress it out anymore?
