Learn how enriched air (Nitrox) gives you longer no-decompression time and faster turnarounds between dives. This focused two-hour course in San Antonio teaches oxygen analysis, computer settings, and safe handling so you can extend bottom time on springs and Gulf trips.
Learn how enriched air (Nitrox) gives you longer no-decompression time and faster turnarounds between dives. This focused two-hour course in San Antonio teaches oxygen analysis, computer settings, and safe handling so you can extend bottom time on springs and Gulf trips.
Verified experiences and guided adventures in the surrounding area.
Operated by Dive World Scuba - Thousand Oaks · San Antonio, Texas
easy.
2 hours.
Basic swimming ability and comfort in the water; the course is classroom- and skill-drill-focused rather than physically demanding.
Yes—participants must hold an Open Water certification or be actively enrolled in an Open Water course to complete Enriched Air training.
The classroom and hands-on practice typically run about two hours, though instructors may allow extra time for hands-on exercises.
Yes—after completing the course and analyzer practice you receive an Enriched Air Diver endorsement added to your certification record.
You may use nitrox for recreational dives within the mix’s maximum operating depth and oxygen exposure limits; always dive with properly analyzed and labeled tanks.
Nitrox reduces nitrogen uptake and extends no-decompression time, but it introduces oxygen exposure risks—training teaches how to manage both safely.
Yes—use tanks filled with nitrox analyzed and certified by a vendor, clearly labeled with the analyzed mix and oxygen percentage.
San Antonio and its rivers have long supported human settlement and regional recreation; local springs became popular training and exploration sites through the 20th century.
Use certified fills and avoid contaminating spring entrances; minimizing gear rinse runoff and respecting access rules helps protect delicate spring habitats.
Age 12+ • Most Popular Specialty Scuba Course • No decompression time
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