????????? ?? ????: ?? ?? ???? ?????? ??? ?? ??????? ?? ???? ?? ???????? ?? ??????? ???? ??? ??? ???? ????The pH should not be much too high or way too low. A pH of all-around seven.5 is good. There ought to be a relentless source of oxygen from the fish tank. Ammonia and bacteria degrees should be managed. It is healthier to practice Biofloc fish f