If you are interesting in extending your bottom time, then check out the Enriched Air Diver program. To enter the program, you’ll need to be 12 or older, and a certified Open Water Diver. The Enriched air program emphasizes the theoretical and operational considerations involved with enriched air diving. This 3 hour course consists of knowledge reviews, videos and an exam. Upon completion you will be a certified Enriched Air diver, capable of diving for longer periods of time then those on air.