Co2 Bulbs in a Barrel The Home Brew Shop
No co2 bulbs should be used in a barrel to start of with
You prime the barrel with sugar approx 110g per barrel
This will create its own pressure and should last to approx 1/2 way down the barrel
Once the barrel starts glugging becuase a vaccum is in the barrel, its time to add a co2 bulb
just one at a time, this creates a blanket of co2 on top of the beer which with positive pressure
the beer will start to flow again. repeat when needed.
There is no limit how many co2 bulbs can be used as it all depends on the beer and how well it condtions