Originally Posted by Yuri_Rage
Does that paintball canister have enough CO2 volume to dispense 15 gallons of beer?
I have a 20oz. paintball tank that I've force-carbed and served 4 kegs between refills. It's 1/4 the size of a 5lb. tank, so take your usage on that size and divide by 4.
It costs me $3.21 with tax to refill it at the sporting goods store.