Interesting thread. A couple of posts prompted some interesting thoughts:
- Lots of strong opposition to people using nitrox and just "riding their computer" rather than fully understanding what is going on. But no comment on people who struggled through a nitrox class, forgot it all soon afterward and then just "ride their computer"?
- Someone asked: if you say people shouldn't need a whole new class for nitrox, why not trimix? So long as we are comparing like with like, I'd take that point. No one suggests an OW cert should allow you to use trimix. But if you are trained and experienced diving deep on air (wait till I finish my comment to start flaming please...), handling two stage bottles and planning your deco and gas reserves, what is a normoxic trimix course going to give you other than a not-very-secret formulae to calculate END and another card?