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enriched air diving
Enriched Air Nitrox Course
Aquatic Sports Store 10803 SW Barbur Blvd, Portland, OR, United States$199.95 per diver There is no pool work for this course, only one lecture and online learning module to obtain this certification. As a Nitrox diver, you can increase your bottom times and safety margins, plus shorten your surface intervals - so you can spend more time diving and less time waiting! In this program,…