Quote: (Originally Posted by
matt crane)

And the only problem with getting fills from someone else is that if I get used to diving with that then go dive some where else where I cant get fills as I dont have the ticket im screwed

"Buy" yourself the Adv Rec Tx certificate. Most will do it OC but IANTD allows you to take the course on rebreather as well. The buy here is in quotes since it's basically Adv EANx but with a bit of explaining about effects of Helium and the same drills that you should be intrinsically familiar with....
After that you have that card to have your tanks filled with and the other to dive. That's at least what I did. Now my LDS does nothing wrong and he "doesn't know" what I use it for. Well maybe he does, I've demonstrated the unit on several occasions during club events

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