The FireDisc Cooker was designed to use with a 16.4 oz. disposable propane canister for maximum portability, but you can also use your FireDisc Cooker with a refillable 20 lb. propane tank using our propane tank adapter hose with Gaugeinator. The Gaugeinator allows for an easy way to see how much propane is left in your tank. This comes in handy if you're going to use your FireDisc all season in deer camp, all summer at the cabin, on a long weekend or on an all-week trip. HOW TO USE Make sure the FireDisc regulator is at the off position Connect the 4-foot adapter hose to the 20-lb. propane tank Turn on the 20-lb. propane tank Let the 4-foot adapter hose fill for 45-60 seconds Turn on the cooker regulator, and light