CO2 Suppliers Date updated 2020-06-17 Categories CO2 FAQ Tags co2 carbon dioxide Where do I get CO2 gas? Industrial gas suppliers, such as Airgas, or ANY welding supply will be able to refill/replace your CO2 tank. related articles Function of a Carbonator 878 0 Water Supply Size 849 2 5 Gallon BIB Syrup Soda Output 909 1 Can I choose my own flavors? 716 0