One of the biggest expenses when moving to a kegging system for your homebrew beer ... 5 tap showpiece in his livingroom. Home brewing is most often done in five gallon batches, so Cornelius ...

which is technically called a half-barrel keg (more on that in a second), you're looking at about 15.5 gallons worth of beer. And in terms of pints, 15.5 gallons ends up being a lot of servings.

Two mini-kegs are used as the separating vessel ... and this other made from a 5-gallon bucket.