Originally Posted by carlisle_bob
You will need a pressure regulator even for serving. You need to keep a constant, controlled pressure on the kegs or you will have a foam monster on your hands.
So why does giving it a squirt of air with that small device work and not create foam, because it is at a lower pressure because the tank is so small? I don't want constant pressure, i'm just looking to give it a punch of c02 when the pressure is so low that it will not longer serve.