CO2 Bulbs / Bottle for homebrewing pressure barrels When using King Kegs or other homebrewing keg systems it is very important to carbonate your beer. These CO2 Bulbs will do just that! This bulb contains 8grms of co2 to aid the carbonation of beers after secondary fermentation You will need our CO2 Bulb holder in order to use the CO2 bulbs. A link to our CO2 Bulb holder can be found here.
