Good question. It says you have to bring a minimum of 24 oz. for the judging, but there is no minimum for the general public. I have no idea how big of an event this is or how many people attend. If you're thinking of going, it would probably be a good idea to call first.
On Tap: Dusseldorf Alt, Kolsch, Hefe Weizen, Blonde, Chili Beer (Hot Blonde), Chocolate Hazelnut Porter