My friend just picked up some fish that were in a bad situation. They were in an unfiltered, not heated tank. She got 2 blood parrots, 7 pictus catfish and a red finned shark. Their gills are all swollen and they're breathing heavily (see attached pic). She tested the water that was in the bags and it was 2ppm ammonia, 0 nitrite and 160+ ppm
nitrate. She quickly set up a hospital tank with media from her 100 gallon, 25% water from her 100g, 25% from
The water they were in and 50% dechlorinated tap water. She has also added API general cure. Any ideas on what is wrong with them? What to do from here? If they'll ever bounce back from this ? She's just trying to do the right thing and save them from their rough start to life.