Here is another kitchen tool that saves you time making your own sparking water. The SodaStream Gaia is powered by a CO2 cylinder that can carbonate up to 60 liters of water. It is compatible with all SodaStream carbonation bottles. It has a footprint of 16.9 x 5.4 x 8.7 inches.
This unit turns your water into fizzy water in seconds. It works with the SodaStream Quick Connect CO2 cylinder. You can find out more about it here.