With a sparkling water machine. you can easily turn flat water into sparkling water. You decide how much carbon dioxide you pump into the sparkling water by pushing the button. This way, you always have delicious carbonated water in your home, without the need to buy bottles in the supermarket every week. With a SodaStream device, you'll receive a CO2 cylinder from SodasStream which you can use to make up to 60L sparkling water.