Looks like either he is shedding his slim coat do to handleing or stress. i wouldnt say its the substarte if her belly is not red...
Id start with heavy water changes and see how she gets....
You shouldnt have any nitrite readings at all. Also, put a heater guard over that heater...
Id start with heavy water changes and see how she gets....
You shouldnt have any nitrite readings at all. Also, put a heater guard over that heater...