Why won’t the carbonating flask close or lock?

Oh no! Let's figure out what's wrong and fix it.

Step 1 - Is your bottle compatible with the SodaStream DUO™ Sparkling Water Maker?

The SodaStream DUO™ Sparkling Water Maker can be used with our dishwasher-safe 1L glass bottle and our regular 1L Fuse bottle. The 1L classic bottle, the 0.7L glass bottle (from the Crystal), the 0.5L bottle and My Only Bottle (0.5L) are not compatible.

Check the following compatibility chart:

Step 2 - Is your bottle properly inserted?

For more assistance, please contact us via email or phone at 1300 763 278.