22-40% Enriched Air.

The air that we breath is only 21% actual oxygen, the rest is Nitrogen with a pinch of other gases thrown in at the end.

When recreational Scuba Diving, you’ll typically use standard compressed air, that, with only 21% oxygen.

For various reasons though – longer diving time, less post-diving fatigue, shorter intervals between dives, it is possible to use what is known as ‘Enriched Air’ aka ‘Nitrox’ – that, air with a higher Oxygen content of 22-40%.

As your common John Citizen Scuba diver, you’ll need to do an approved course before you can suck down the good stuff, but hopefully you’ll walk away aware of the fact you can actually get Oxygen toxicity if you screw around, and after convulsing underwater, down to the bottomless depths you will sink.

I haven’t formally studied anything since my drivers licence 8 years ago, and even then I figured anything over 50% was a waste of effort, so asking to learn a 100 page manual along with calculations and tables was pushing it.
Nevertheless a week later and a perfect 100% on the exam, I had my ticket to extended Nemo terrorism.

And off to dive we went.

Red Sea Coast, Sinai Peninsula – Dahab, Egypt.

The Canyon

5 Responses to “Nitrox”

  1. 1 fotoautomat July 7, 2010 at 10:10 pm

    reply to your fan mail kovacs

  2. 2 Ceslie July 10, 2010 at 3:18 am

    Glad you made it!
    How did it feel?

  3. 3 Amelia July 14, 2010 at 11:09 pm

    nemo terrorism. bahahahah

  4. 4 yagz July 15, 2010 at 8:13 pm

    the other kind of asphyxiation.

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