TDI Advanced Nitrox Course

TDI Advanced Nitrox Course – Maximize Your Dive Time

Advanced Nitrox Introduction Video

Course Overview

The TDI Advanced Nitrox Diver Course trains you in the use of EAN 21 through 100% oxygen for dives up to 40 m (130 ft). It's ideal for extending bottom time and as a foundation for decompression procedures or CCR diving.

You'll cover topics like oxygen tracking, blending, gas switches, and equipment requirements using the TDI Advanced Nitrox manual or eLearning.

Note: This course is non-decompression only. Decompression Procedures can be added optionally.

What You’ll Learn

Use of EANx mixes up to 100% oxygen
Oxygen tracking & maximum operating depth (MOD)
Dive planning without staged decompression
Safe gas switching techniques
Physics, physiology, and equipment use

Requirements

Agency: TDI Certification
Prerequisite: TDI Nitrox Diver
Logged Dives: 25
Minimum Age: 15 years
Duration: 3.5 days
Theory: Online or in-house
Open Water Dives: 4 dives (max. 60 min/dive)

Before the Course: Meet & greet at 4–5 PM for briefing, paperwork & gear prep

Required Equipment

✔️ Primary & secondary regulators (sidemount or backmount)
✔️ Two deco/stage regulators
✔️ Mask + backup mask
✔️ Wing BCD or sidemount harness (min. lift: 40 lb)
✔️ Computer, timer + backup
✔️ Exposure suit suitable for conditions
✔️ Knife & backup cutting device
✔️ 2 SMBs, reel + spool, slate + backup
✔️ Compass & torches for advanced environments
✔️ Hood recommended for wreck/deep/cold diving

What's Included?

3,5-day TDI Advanced Nitrox course
4 TDI Advanced Nitrox dives from the boat
Professional instructor (1-on-1 to max. 1-on-4)
All scuba equipment included
Full digital materials or printed manual
Lunch, fruits, soft drinks, tea/coffee
Hotel pickup (available in selected areas of Koh Chang)

⚠️ Optional

Exclusive for our students & dive guests
Get a special discount on selected equipment
Mask, snorkel, fins & more available online
Book this equipment together with your course or trip and save instantly!
Offer valid only for combined online bookings on our website.
Dive accident insurance – recommended for all divers
GoPro rental available for certified divers

TDI Advanced Nitrox student analyzing oxygen percentage with nitrox analyzer

Advanced nitrox gas switching practice with 100% oxygen cylinder during TDI course

TDI Advanced Nitrox diver performing decompression stop with high-oxygen enriched air

Professional TDI Advanced Nitrox instruction with technical diving equipment and gas mixes

What can you discover?

Join our fun dives and explore vibrant coral reefs, fascinating critters, and majestic marine life — including the legendary HTMS Chang Wreck.

Use our dive site map to plan your adventure or dive deeper into our Marine Life Guide and see what awaits below the surface.

What other divers discovered

Real reviews and experiences from our guests – see what others found on their diving adventures with us!

Ready for High-Performance Nitrox?

Learn to safely dive with high oxygen mixes and prepare for future deco courses. The Advanced Nitrox course boosts your bottom time and precision.

✅ Use up to 100% oxygen
✅ Practice gas switches
✅ Ideal for technical, scientific, or CCR divers

💸 24,990 THB

Learn to dive with up to 100% oxygen. Extend your limits with the TDI Advanced Nitrox course.

Book now and choose your training agency below!

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TDI Advanced Nitrox Course – Maximize Your Dive Time