Ahh that sucks!
I would clean it out Run it fish free for now. I'm sure with a bit of research and no fish to worry about there is something that can treat the tank and be harsh enough to guarntee no bacteria or fungus survive without killing the plants.
I would clean it out Run it fish free for now. I'm sure with a bit of research and no fish to worry about there is something that can treat the tank and be harsh enough to guarntee no bacteria or fungus survive without killing the plants.