Ok the other day I got 3 "blood fin tetras" and I was just watching my tank and it just nipped almost half a fin of one of my neon tetra. Now I spent about 20min getting the super fast blood fin tetras out of my tank and have moved them to a 5 gallon bucket with a small heater in it. Will they make it threw the night in there? I don't have a filter but i put water from my tank into the bucket and put a small 15gallon heater in there. I also have moved my neon tetras 2 with nipped fins into my hospital tank. Any products I should use to help them? Or let them heal on there own?