bacterial infection

  1. S

    Hi!

    I'm new here...which is why I'm here...in the new group. But i have a question that I can't seem to find a straight answer for. Can I use Erythromycin with my pleco? He's a large guy, in a tank with a few tetras and danio. One danio is sick with what I think is a gram+ bacteria and fin rot, and...