Nitrox vs Air By using a computer and enriched air, divers can dive seeper, longer and more often than those who use air and the U.S. Navy dive tables. Here's a comparison: Dive One ...

NITROX, known for a long time as the “devil’s gas” and until quite recently only used by “techie” divers, is now widely available and used by recreational divers both in the UK and overseas.