TDI Advanced Nitrox Diver Course

Go Beyond Recreational Limits – Signature Scuba, Rancho Cucamonga

Your First Step Into Technical Diving Starts Here.

Ready to extend your dive limits and explore the next level of underwater adventure? The TDI Advanced Nitrox Diver Course at Signature Scuba is designed for experienced divers who want to use enriched air nitrox up to 100% oxygen and perform dives just beyond recreational no-decompression limits—safely and with precision.

Whether you're moving toward technical decompression, sidemount, or simply want a deeper understanding of gas theory and planning, Advanced Nitrox is where it all begins.

What You’ll Learn:

• Use of Nitrox mixtures from 22% to 100% oxygen

• Dive planning and execution using multiple gas mixes

• Maximum operating depths and oxygen exposure limits (CNS/PPO2)

• Gas analysis, cylinder marking, and proper labeling

• Introduction to technical equipment setups (backplate/wing, doubles, deco bottles)

• Buoyancy and trim control with stage cylinders

• Emergency protocols and gas switch procedures

• Team diving communication and situational awareness

Course Includes:

• TDI Advanced Nitrox eLearning

• 4 training dives, including gas switch practice

• Hands-on training in gas analysis and dive planning

• Instructor-led workshops on equipment configuration

• Real-world scenarios at Southern California dive sites

• Optional bundle with TDI Decompression Procedures

Who Should Take This Course:

• Certified Nitrox divers (TDI, PADI, SDI, NAUI, etc.)

• Divers seeking to go beyond recreational depth/time limits

• Those preparing for TDI Deco Procedures, Helitrox, or Extended Range

• Advanced recreational divers looking to sharpen their precision, trim, and safety skills

• Dive pros ready to add technical skills to their toolbox

Why Signature Scuba?

At Signature Scuba in Rancho Cucamonga, we offer true tech-level instruction—not shortcuts. With access to advanced dive sites across Riverside County, Orange County, and the Inland Empire, and instructors who are actively engaged in cave, wreck, and deep diving, you’ll learn in real-world conditions and leave with skills that matter.

You’ll get patient, step-by-step training tailored to your gear, background, and future dive goals.

Start Your Technical Journey Here

This isn’t just about diving deeper—it’s about diving smarter, with precision and planning. Whether you’re aiming for decompression, trimix, or just tighter control on every dive, Advanced Nitrox is your launchpad.

Contact Signature Scuba today to enroll in TDI Advanced Nitrox and take the next step in your diving evolution.