I picked up some used corny kegs and and friend of mine gave me a CO2 tank along with gauges. Now I don't know how old the CO2 is, it can be between 1 - 15 years old.
So before I swap the tank (only to refill around here) could I simple use the CO2 I have?
So before I swap the tank (only to refill around here) could I simple use the CO2 I have?