Fizz Canister

$10.00 6-pack

A 6-pack of CO2 refills that keeps your Fizz bottle carbonated between flavor pouches.

Purchase option

What’s in a pack

Six CO2 cartridges sized for the Fizz bottle. Swap a spent cartridge and keep pouring.

Use with

Made for the Fizz bottle. Pair with flavor packs whenever you want a new pour.

Shipping & returns

Free shipping on all orders. 30-day hassle-free returns.

Canister refill subscription

Empty canisters
come back full.

Your bottle runs on CO₂ canisters. When one is empty, mail it back. We fill it again and send it to you. Subscribe, and full canisters keep arriving.

  1. Use it

    Click a canister into your bottle. One makes about 33 bottles of sparkling water.

  2. Mail it back

    When it's empty, put it in the prepaid mailer and send it to us. Keep the bottle — only the canister goes.

  3. We refill it

    We clean the same canister, fill it with new CO₂, and ship it back full.

  4. Subscribe

    Join the plan and a fresh 6-pack of canisters arrives every month for $10. Same canisters. Fresh fizz.

By the numbers

A lot of sparkle in a small canister

A Fizz CO₂ canister standing beside a Fizz bottle, about a third of its height
Actual scale: one canister beside the 20 oz bottle
20 oz
per fill (590 ml)
12 L
sparkling water per CO₂ canister, up to
~20
bottle fills per canister*
~120
bottle fills per 6-pack*

*Estimates: up to 12 L per canister ÷ 590 ml per fill.

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