Enriched Air, also known as “nitrox”, is a form of breathing gas that allows divers to extend bottom time and reduce nitrogen loading. PADI Enriched Air Diver can be completed in as little as an afternoon. After completing your knowledge development, you’ll apply what you’ve learned by practicing procedures for obtaining and analyzing enriched air with your Athens Scuba PADI Instructor. You also have the option of completing two open water enriched air dives. This certification counts towards the PADI Master Scuba Diver rating.