How can I know if my cylinder is empty? It’s very simple: when the left pressure gauge drops to 0, it’s time to replace the bottle. By Cedric Gerard|2020-10-08T11:07:19+02:00October 8th, 2020|CO2|Comments Off on How can I know if my cylinder is empty? Partagez cet article, Choisissez votre Plateforme! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: Cedric Gerard