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 carbonator? Does my CO2 cylinder have a lifespan, or expiration date I need to use it by? My sparkling water is not fizzy enough. Help! Why are the cylinders so expensive? It would be cheaper to buy cans/bottles.