The PADI Enriched Air / Nitrox Course is extremely popular for good reason. Nitrox allows divers to stay down longer at moderate depths and many also report feeling less fatigue when diving with Nitrox. The Nitrox course can be conducted in just a few hours* with a theory session, a practical session with oxygen analyzers and a final exam. Deep Blue Divers offers Nitrox for free for certified Enriched Air / Nitrox divers.
