CO2 Suppliers Date updated 2020-06-17 Author Agent Jeff 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. Rate this article Your email is now subscribed to alerts for this article Your email is not subscribed to alerts for this article Subscribe to alerts for this article below Unsubscribe to alerts for this article below Subscribe Unsubscribe