Came home and my fish are sick !! My arowana isnt swiming and starting to go to his side, my parrot too !! all my fish are breathing hard labored breathing !! I just did a water change last night and put in amonia remover and chlorine remover. Amqeul. The water is currently 83-84 dgrees. wHAT SHOULD i DO !! PUT THEM IN A BUCKET WITH AIR ??? wHEN i CAME HOME MY POWER HEAD WICH IS THE ONLY OXYGEN to the tank was nst working. Was there a lack of oxygen ?? Some one help me out here.