I actually haven't tried the TT method yet, as I have not bought any new fish for years. But since I lost a few during our summer outage, might just get a few replacements in the not too distant future.
I would do the TT first with buckets, and then transfer them to my QT tank. The length of the stay there would depend on the type of fish. Some (like butterfly fish) need longer acclimatization to get trained on new foods, etc. Also may want to give them a prazi treatment to get rid of any internal pests.
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