What's a mini-keg? November 04, 2019 23:24 Updated Follow A mini-keg is a 67oz container of fresh draft beer, designed specifically for use with the SUB Home Tap. Couldn't find the information you were looking for? Contact Us Related articles How often do you rotate your beer selections? How long will the beers last? How many glasses are in a mini-keg? Do the mini-kegs need to be refrigerated? Where are your beers brewed? Comments 0 comments Article is closed for comments.