Carbon Dioxide

Carbon dioxide is suitable for a wide range of applications.

This high quality industrial grade Carbon Dioxide cylinder can be used for a wide range of applications, from hydroponics and aquatic gardening to MIG welding mild steel.

Though CO2 can be used for MIG welding, It’s only really suited to the more experienced welder, as users will notice a less stable arc and an increase in spatter resulting in added clean up/finishing time.

For a really good MIG welding alternative, we recommend the Hobbyweld 5 and Hobbyweld 15 products, which are far more forgiving to a beginner welder.

If you are looking for a gas for your home brewing – please see our Hobbybrew Beverage Gas Range.

Please contact your local agent for prices and availability.

Cylinder Dimensions
Cylinder Capacities

Cylinder Dimensions

Original (Small)

860 mm
140 mm
Tare Weight (approx.)
17 kg

Cylinder Capacities

Original (Small)

Water Capacity
9 litre
Gas Weight
6 kg
Cylinder Outlet
0.860" x 14 TPI RH Male

CO2 Notice

Due to exceptional circumstances beyond our control, affecting the availability of carbon dioxide to all gas suppliers in the UK, a surcharge will be applied to carbon dioxide. We can only apologise to be sharing this news at what is already a challenging time and we would like to assure you that we are doing everything we possibly can to manage this increase in cost. Please ask your agent for the most up to date surcharge as applied to their stock.

Hobbyweld Cylinder Deposit

The Hobbyweld cylinder is yours to use with a one-off deposit charge. There is no limit on how long you can keep the cylinder and you can exchange it as often or as little as you like.

If you need to return the cylinder, take it to any Hobbyweld Stockist to return the cylinder and collect the return deposit value then due to you.

(Note: you will need your deposit form and a small admin charge applies which will be deducted from the returnable deposit value)

More Products

Hobbyweld 5

As the most popular MIG welding gas mix, there are an abundance of benefits this gas can provide.

Hobbyweld 15

As this gas has been given the name ‘universal’ gas by customers, this shows that the gas can be used for many applications.


Argon is typically suitable for most TIG welding applications providing a capability of welding at any depth.