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1.
Wrong, Nitrox is used at shallower depths to allow for LONGER bottom time with less Nitrogen build-up in the tissue, it also requires certification to use as well as Oxigen scrubbed bottles and first and second stage regulators.
Sorry dude, without a Nitrox cert and tank I cant fill you.
by 9livez March 26, 2005
 
2.
A mixture of nitrogren and oxegyn that you would breathe if you were to go scuba diving below a certain depth
NITROX!!!! its yummy to breathe!
by Jeff February 04, 2004