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The Aarke Carbonator 3 and Carbonator Pro make the same basic thing: sparkling water. The Pro’s strongest reason to exist is its glass bottle and enclosed, one-handed carbonation process. The Carbonator 3 is the slimmer, simpler choice if a PET bottle is acceptable. Neither is the cheapest way to make bubbles at home, so the decision is about daily use and countertop design, not a promise of savings.
Our verdict
- Choose Carbonator 3 if you want a polished metal machine with a smaller footprint and do not mind screwing a PET bottle into place.
- Choose Carbonator Pro if a dishwasher-safe glass bottle is a requirement and you will use the machine often enough to appreciate its lift-and-close mechanism.
- Skip both for now if your main goal is the lowest cost per bottle. Compare a lower-cost SodaStream or Drinkmate system, cylinder exchange costs, and bottle replacements first.
What changes with the Pro?
Carbonator 3 uses Aarke’s PET water bottle, which is the only bottle the company says to use with that model. The Pro uses a glass bottle inside a protective stainless-steel cover; the glass bottle is dishwasher safe. The bottles do not interchange. That matters more than a finish color or a marketing claim about carbonation strength.
The Pro’s glass bottle may be more pleasant for serving at the table. It is also heavier and adds bulk to the machine. The Carbonator 3 keeps a leaner silhouette and is easier to justify in a tight kitchen. Read the bottle care and replacement instructions before purchase: a carbonator is a system with consumable cylinders and model-specific bottles.
What stays the same?
Both are manual carbonators designed for water. Add flavors after carbonation; do not assume either can carbonate juice, wine, or cocktails. If fizzing other beverages is the real reason you are shopping, compare the Drinkmate OmniFizz, which is designed for that job. Independent tests have favored Drinkmate for versatility, although it uses a plastic bottle.
Check which CO2 cylinder type the particular Aarke model and package accepts and whether a cylinder is included in the US starter kit. CO2 exchanges and spare bottles change the long-term cost. Aarke offers a cylinder exchange service, but local availability and shipping may make another standard-cylinder exchange more convenient.
Is the premium price worth it?
For most buyers seeking inexpensive sparkling water, no: pay less for a basic machine and budget for CO2. WIRED’s hands-on Pro review found the design and operation appealing but concluded that the steep premium was primarily an aesthetic choice. That is a fair reason to buy a countertop appliance if you genuinely value it, but it is not a performance upgrade that every household needs.
Buy Carbonator 3 if: you like Aarke’s build and appearance and accept a model-specific PET bottle. Buy Pro if: a dishwasher-safe glass bottle and easier daily setup justify the extra cost to you. Wait if: you cannot find a reliable CO2 exchange path or are unsure how frequently you will use it.
Before checkout
- Compare the complete kit, including the cylinder and bottle; similar product names can conceal different contents.
- Measure height and overhead clearance where the unit will sit.
- Price replacement bottles and local CO2 exchange, not just the initial machine.
- Confirm the model’s current bottle compatibility and care instructions on Aarke’s US site.
How we reached this verdict
We compared Aarke’s published model documentation and US catalog with independent hands-on reviews. We have not measured carbonation, durability, or savings ourselves. This comparison is about the specific differences a buyer can verify, not a claim that either machine is a current bestseller.
Sources: Aarke US catalog; Aarke Pro support; Aarke Carbonator 3 support; WIRED Pro review; The Spruce Eats testing.



