Refilling Camping Gas Canisters - 5 Essential safety tips

Using larger camping gas bottles or canisters to refill the small ones, perfect for light hiking, is increasingly popular for cost saving and sustainability reasons, however there are some potentially dangerous risks in doing this. We are transferring flammable gases after all. We explore 5 potential risks that everyone should know how to minimise, including filling with the wrong gas mixes, overfilling or heating donor canisters to dangerous levels.
For more information there is an accompanying blog post here:

https://big-skies.co.uk/projects/refi...

Whilst this is something I do myself it is not recommended by Gas canister manufacturers so every care should be taken to reduce the chance of injury or death.