The Aarke CO2 Cylinder Exchange is a hassle-free, on-demand service that exchanges your empty CO2 cylinders for new ones. No fixed schedule and no monthly or yearly fees – simply exchange when you need to and only pay when you exchange. Already have CO2 cylinders at home? Get started with any standard 60L cylinder from any brand.

How it works:

1. Order and get your CO2 cylinders.
2. Enjoy your sparkling water.
3. When 2 cylinders are empty, place them in the return box with the prepaid label and leave for USPS pickup.
   
4. A new order is automatically placed. No need to log in.
5. FedEx delivers new CO2 cylinders to your home.