How much gas does the HOTTUB use? Last Updated: November 10, 2023 04:52 The HOTTAP can run for 15-45 hours on one 9L gas cylinder, depending if you're using the high or low gas settings! Was this article useful? No Yes 0 out of 0 found this helpful Our team appreciate your feedback! What exactly was the issue with the article? Article content isn't very clear Missing or broken links and/or images Article does not answer my question(s) Article content is outdated Other Please Choose atleast one option. Let us know what we can improve: Submit feedback If you'd like to submit a support request, please contact us here.