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What is Nitrox

Nitrox (usually called EANx for Enriched Air Nitrox) is a breathing gas for scuba diving that has more oxygen than regular air. Regular air: ~21% oxygen (O₂) Nitrox: more than 21% O₂ (most commonly 32% or 36%) Why divers use Nitrox Main benefit: it can reduce nitrogen loading compared to air on the same dive, which often means: Longer no-decompression limits (NDLs) on many dives (especially in the 40–100 ft / 12–30 m range) Less post-dive fatigue for some divers (common report, but varies person to person)