I'll say this about keeping puffers. With proper water changes, and a good filter, a tank with a 6x3 footprint, and at least 24" in height will be fine for a MBU IME. However, a 1000 gallon tank wouldn't hurt if you can get one.
I'll say this about keeping puffers. With proper water changes, and a good filter, a tank with a 6x3 footprint, and at least 24" in height will be fine for a MBU IME. However, a 1000 gallon tank wouldn't hurt if you can get one.