Sodastream quick connect. ‎SodaStream Connect on the App Store

2 sec work best If you'd like flavored sparkling water, add Sparkling Drink Mix to the bottle only after carbonating
Sodastream seems to be "testing the waters" right now with this design, but if the market accepts it you're likely to see them move quickly to make obsolete the old valve design and the old machines along with them Please see above for more information on cylinder safety
There are a number of indicators that tell you when your CO2 cylinder is empty: When you press the carbonating button you will not see any gas going into your bottle of water Even after repeated presses your water is not carbonated The carbonator splutters, showing you have run out of CO2 Pro-tip: SodaStream recommends keeping a spare CO2 cylinder handy so that when one cylinder runs out, you simply swap the empty cylinder for a full one Our Sparkling Drink Mixes have been specifically formulated to flavor sparkling water made with your SodaStream Sparkling Water Maker
Every cylinder is fitted with a unique safety valve which will safely release the gas in the unlikely event the pressure in the cylinder rises Sparkling Water Makers do not need to be returned unused
Only SodaStream carbonating bottles are recommended for use with your Sparkling Water Maker " The carbonator remains the property of SodaStream at all times in accordance with the terms and conditions stated in the User License Certificate
Damaged cylinders will not be accepted for return by SodaStream Unfortunately, you will likely be stuck using the official Duo tanks for the time being