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You folks do realize that those skills are taught in all tech programs run by all agencies, don't you? You don't have to go to the ends of the Earth to find the only person who knows the secret. It is not the Holy Grail.
My question is whether it is worth doing the Padi deep and wreck courses or going straight to TDI advanced nitrox and decom procedures courses. Seems like doing the TDI courses will provide a hell of a lot more knowledge and safety.
If the instructor is a trimix instructor, that dive can be done on trimix.My 50m graduation dive was on air, as per standards, and I was narked out of my mind (especially apparent in hindsight now that I've been exposed to crack, I mean helium...).