Originally Posted by
bluelagoon
Can you put all the fish in the bigger tank and treat the whole tank? If one group was infected, they may have passed something on to all your fish. If your going to use the same substrate after the treatment, leave that in the tank your treating. Your angels may have passed Hex to the others. Or you can wait and up your WC's and observe, especially the discus, then treat if need be. Are the angels poop good now? They usually stop eating when a hex infection is more than the fish can handle without intervention.