Notice one of my rams last night at the surface breathing rapidly about an hour after I fed them, by the time I set up the hospital tank (about 20 mins) he had disappeared, sadly found him under the bogwood dead, there was a single white spot on his dorsal fin and his gills were quite red. I have never had ick in this tank before. I had an accident with the tank a few days ago when the brace bar broke and shook the tank. My ammonia readings went up, so had been doing lots of water changes and turned up the air pump. The water stats have stabalised now, but just wondering if it could have been the ammonia that killed him. The remaining ram seems fine, the other fish also seem ok but the baby angels seem to remain at the bottom (apart from feeding time) there are no signs of any flicking or rapid gill movement on any other fish just on this one ram that died. Should I treat for ick just in case as I know stress can bring it on?