The new Sodastream Terra has an easy to use adapter that I�ve designed. Amazon links: Hose https://amzn.to/3D5yLfA Sodastream Terra: https://amzn.to/30a4Gww O-Rings: https://amzn.to/3lJUr9y CO2 Tank: https://amzn.to/3oyoKSD SodaStream Quick Connect Adapter: https://www.tindie.com/products/patshead/3d-printed-soda-machine-adapter/