How to get more CO2
Never be without bubbles with our refill club.

Enjoy exclusive savings, free return shipping on empty canisters, and new CO2 delivered directly to your doorstep.

Join our CO2 Refill Club and save 30% on future refills, plus free shipping.

See how it works and never be without bubbles.

Order 2 spare CO2. 1 canister comes with your Thirsti. Order 2 spares so you have 3 total.
Refill empty CO2. Place 2 empty canisters into the provided refill box.
Refill club. We'll automatically send you 2 new canisters to your door.
Use. Carbonate up to 60L per canister.
100% renewable CO2 and reusable canister. Carbon dioxide derived from renewable biomass in the USA.