Published 20 April 2020 05:40 I hear gas escaping from the gas cylinder. What should I do? Bubble bummer! Let's figure this out. Check out the guide below for assistance. Related articles How do I know if my gas cylinder is empty? How do I install the carbonating cylinder in my Sparkling Water Maker? What do I do when my gas cylinder runs out of CO2? Do the carbonating bottles expire? What is the difference between your Spirit, One Touch, and Crystal Sparkling Water makers?