Fish going back into DT.

[velvet hammer]

After over 1.5 months in the hospital tank, my tangs are going back into my DT. The fish have been treated for Ich and flukes. They have looked great
for aprox. 1 month. Is there anything I should do to them before returning the fish to the DT?

[leebca]

Seems like too short of time in quarantine. Has the DT been fishless for no less than 8 weeks? If so, then adjust the QT water to the parameters of the DT system a few days before the transfer. Float bags, mix water like recommended in the acclimation post, only the whole process should be the 'short process.'

Fish returning to a fishless aquarium should be added one at a time. I would space them apart by about 3-4 weeks or more so the DT bacteria can adjust. If the fish are very small, two at a time would be okay.