Which gas option should we use?

[Miggs]

I run with one of each. All options covered.

 

[Stealaway]

I've simply Tee

Thanks for that, that is exactly the sort of thing we want to achieve. We'll see who we can find down in the South East to so such a job.
Cheers!

I've simply Tee'd my two Safefill together. Turn them off and on to change bottles and when refilling.

 

[Bessy765]

I have 2 underslung tanks and have a connector in the locker so I can use a bottle if required.