Guides to keeping discus.

Originally Posted by oscar77

Check your water. water aged for a month should low in PH. How about water temp? Beware of PH shock and temp shock when introducing new fishes. Your fish should be in your tank for two days already, what is the development?

now both discus are eating well, but the other is still swimming tail pointing up,head down,, but at times it will be normal like the other discus swimming.
i did a 20% change of water last nite, add a heater at 29. now both fish looks ok, except the swimming part..