Why am I not getting enough carbonation with my DUO?

Bubble Blast! Let's first make sure your carbonating bottle is compatible with your DUO. The 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 0.8L glass bottle (from the Crystal), the 0.5L bottle and My Only Bottle (0.5L) are not compatible.

If you’re using the correct bottle and still not getting enough bubbles, check out the guide below.



Follow the instructions below to help get you more bubbles:

  • If you haven't added flavour, try carbonating with one or two extra pumps by pushing down firmly on the carbonating button for around two seconds. Release and repeat. Do not carbonate if flavours were added.

After pressing the carbonating button a few times, check if you see bubbles. If you don’t, you may be out of gas. You can get a new cylinder through a participating retail location.


Still having trouble? Contact us via email or phone at 0800-085-8373.