Wow. That is impressive. I've never loaded mine up with that much charcoal before. Probably the most I've gone is 17.5 hours @ ~250* - 270* probably on 15# of Kingsford. And that is with a 16" terra cotta pot base for a deflector.
Proudly Smoking on a UDS, PBC &
Accidental Winner of the 2012 "Saucy" Throwdown.