1 6-ft piece of beverage hose that fits the Tap Quick disconnect (hose length is at your discretion) 1 tank of Co2 (can be found at welding shops) Attached your CO2 regulator to your CO2 tank. Tighten ...
As far as DIY cryogenics are concerned, dry ice is easy mode. You can get frozen carbon dioxide at WalMart, or from a nozzle that screws onto a CO2 tank. It’s all very ordinary, and not really special ...