Published December 05, 2019 08:55 I live at a high altitude will this affect my cylinder? Elevation will have no pressure effect on the cylinder. Isn't that great? Related articles Help! There are no stores in my area to that sell gas refills! Does a customer get a deposit back for turning in their empty cylinder? Why are the cylinders so expensive? It would be cheaper to buy cans/bottles. Are CO2 cylinders safe for the environment? What's the environmental impact of releasing CO2? What are the best ways to clean the nozzle?