| PDIC Nitrox certification is a theory only7 class. it does not require any dives. what you learn is the physiology of diving with Nitrox (enriched air). we use Nitrox to extend our bottom times and provide more energy to us old guys.
For those of you not familiar with Nitrox, what it is is oxygen enriched air. Nitrox one is 32% o2 and 68& nitrogen. Nitrox 2 is 36%o2 and 64% nitrogen.
there are many safety issues involved is using this gas to breathe uw that is why there is a class for it.
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