TDI Nitrox Diver Course

Dive Safer, Stay Longer – Learn Enriched Air with Signature Scuba, Rancho Cucamonga

Maximize Bottom Time and Minimize Risk with Nitrox

Want to spend more time at depth and reduce your nitrogen exposure? The TDI Nitrox Diver Course at Signature Scuba teaches you how to safely plan and execute dives using Enriched Air Nitrox (EANx)—the most popular and practical tool for extending dive times and reducing fatigue.

Whether you're a recreational diver seeking more no-decompression time or preparing for longer, deeper dives in a technical diving path, Nitrox is the smart next step.

What You’ll Learn:

• Understanding the benefits and limitations of diving with Nitrox

• Managing oxygen exposure and calculating partial pressures (PPO2)

• Analyzing gas mixtures with an O2 analyzer

• Planning dives using Nitrox dive tables and computers

• Labeling and safely handling Enriched Air cylinders

• Best practices for Nitrox diving safety and logistics

This course is 100% academic—no dives required—making it convenient and fast to complete.

Course Includes:

• TDI Nitrox eLearning (complete at your own pace)

• Classroom session with a certified TDI Instructor

• Hands-on cylinder analysis and gas planning

• Final exam and certification

• Optional add-on: practice dive with Nitrox for real-world experience

Who This Course Is For:

• Certified divers looking to increase dive time at moderate depths

• Divers who feel tired after repetitive dives and want more efficiency

• Anyone preparing for technical diving (Advanced Nitrox, Deco Procedures, etc.)

• Travel divers wanting to dive Nitrox on liveaboards or at resorts

• Wreck and photography divers who need longer bottom times

Why Signature Scuba?

At Signature Scuba in Rancho Cucamonga, we go beyond the textbook. Our instructors ensure you understand how and when to use Nitrox safely—and how to make it work with your specific gear and dive goals. Serving divers from across Riverside County, Orange County, Pasadena, and the Inland Empire, we offer flexible scheduling and personalized attention.

We also make it easy to bundle Nitrox with other courses like SDI Advanced Diver, Wreck Diver, or TDI Intro to Tech for real-world application.

Ready to Dive Smarter?

Nitrox is the most beneficial upgrade you can make to your dive profile—and it’s often required for advanced training or liveaboard trips. Get certified today and see what extended bottom time really feels like.

Call Signature Scuba or register online to start your TDI Nitrox training today!