Aerflo System Review: Portable Soda Maker
I'm always skeptical of "portable" gadgets that promise at-home convenience on the go, but Aerflo's pitch as the world's first portable soda maker was different enough that I dug into the details.
Key Features & Details
The Aerflo System is a 17oz bottle-and-device combo that carbonates plain water in three steps: fill, spritz, shake. It also fits Standard Mouth Hydro Flask bottles (18, 21, or 24 oz), so you're not locked into their proprietary bottle if you already own one. Each system ships with 4 refillable capsules, enough for your first 16 bottles of sparkling water, and refills are handled through a mail-back Capsule Exchange Service rather than single-use canisters. You can see the full breakdown on the Aerflo product page.
What You Get / Specs
- Aer1 Bottle 17oz (500mL) and Aer1 Carbonation Device
- 4 refillable capsules plus a capsule travel case (holds 3)
- Made from BPA-free Eastman Tritan and 18-8 stainless steel
- Phthalate, PFAS, BPA, and microplastics free
- Device + bottle dimensions: 257mm (H) x 74mm (W), 350g total weight
- Compatible with Standard Mouth Hydro Flask bottles
Pros and Cons
- Pro: No single-use canisters, capsules are refilled and mailed back through the exchange program
- Pro: Aerflo claims to run roughly 50% cheaper per ounce than single-use sparkling water alternatives
- Pro: Featured by outlets like Fast Company, WIRED, and USA Today
- Con: At the time of writing, the standard Aerflo System was showing as sold out, with a waitlist option
- Con: Requires 500mL max fill and cold water for best carbonation results
Price & Where to Buy
The Aerflo System is listed at $84, with capsule exchange refills at $20.95 per 12-pack. Since inventory was showing sold out when I checked, you can join the waitlist on the Aerflo product page here to get notified the moment it's back.
Final Verdict
For anyone who goes through cases of sparkling water, Aerflo's refillable capsule model is a genuinely clever alternative to single-use canisters and cans. It's popular enough to sell out, so jumping on the waitlist now makes sense if you want in early.
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