Best CO2 Cartridges October 2026
Finding the right CO2 cartridge depends on whether you need gas for a kitchen soda maker, a soda siphon, or airgun equipment. This guide lets you compare standard cylinders and compact chargers by capacity, connection type, and pack size so you can choose the right match for your setup. Our independent ranking highlights top-rated options across various sizes and uses.
Last updated: 6 October 2026
CO2 Cartridges: Top 5
1
SodaStream Quick Connect Refill 60L
from £14.997 stores
from £14.99
7 stores
2
Isi Sodapatroner CO2 8g (10st)
from £5.205 stores
from £5.20
5 stores
3
SodaStream AlcoJet Gaspatron 60L Extra
from £25.002 stores
from £25.00
2 stores
4
Umarex Gas Cartridge CO2 88g (1st)
from £8.042 stores
from £8.04
2 stores
5
Isi Patroner PRO 50-pack
from £37.492 stores
from £37.49
2 stores
The SodaStream Quick Connect cylinder delivers 425 g of carbon dioxide to make up to 60 litres of sparkling water. It features SodaStream's pink Quick Connect valve for tool-free, snap-in installation. This cartridge is designed specifically for compatible modern SodaStream machines.
Pros
Yields up to 60 litres of sparkling water
425 g carbon dioxide capacity
Quick Connect system for snap-in fitting
Cons
Only fits Quick Connect SodaStream models
Not compatible with screw-in machines
The iSi Sodapatroner 10-pack provides 8 g single-use CO2 chargers designed for classic soda siphons. Each capsule carbonates a single siphon batch of fresh soda water. The 10-count box is easy to store and convenient for occasional beverage making.
Pros
Convenient 10-pack quantity
8 g CO2 per individual capsule
Compatible with standard soda siphons
Cons
Small 8 g single-use capacity
Not for countertop sparkling water makers
The SodaStream AlcoJet cylinder holds 425 g of CO2 to carbonate up to 60 litres of water. It uses the traditional threaded connection that fits a wide range of screw-in sparkling water makers. It serves as a reliable spare or primary cylinder for home carbonation.
Pros
Yields up to 60 litres of carbonated water
425 g carbon dioxide capacity
Fits standard screw-in soda machines
Cons
Not compatible with Quick Connect models
Single cylinder per pack
The Umarex 88 g gas cartridge provides a high-capacity CO2 power source for air rifles and target shooting equipment. Its threaded fitting ensures a secure seal in compatible airgun models. The 88 g size delivers extended shooting sessions before requiring replacement.
Pros
High 88 g carbon dioxide volume
Designed for compatible CO2 airguns
Threaded neck for secure attachment
Cons
Single-use non-refillable cylinder
Not suitable for beverage carbonation
The iSi Patroner PRO 50-pack offers a large supply of single-use chargers for culinary and beverage siphons. It suits busy home bars and professional kitchens that regularly prepare whipped creations or carbonated drinks. The bulk box ensures you always have spare capsules on hand.
Pros
Large 50-pack bulk quantity
Designed for professional siphon use
Fewer reorders needed for heavy users
Cons
Single-use disposable chargers
Requires dedicated storage space
Compare specifications
| Items/pack | 1 pc. | 10 pc. | — | 1 pc. |
|---|---|---|---|---|
| Weight (CO2) | 425 g | 8 g | 425 g | 88 g |
How we create the list
The ranking is updated monthly and is based on data we collect from our own platform. Products that rank highly are popular among our users while also maintaining high quality according to editorial expert assessments. Specifically, we weigh how many users follow the product via price alerts or lists, how it is rated by experts and users, as well as how much traffic it generates to stores and how well it is represented in retail. The texts on this page are AI-generated and created to give you a quick and clear overview. No products are paid placements – the ranking is driven solely by data.