TDI Advanced Nitrox Course – Maximize Your Dive Time
Category: Technical Course
Location: Koh Chang
SKU: Tech-Koh-Chang-TDI002
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
- ? TDI eLearning or classroom theory
- ? Practical gas switching & MOD calculations
- ? 4 Open water dives with instructor
- ? Certification upon successful completion
- ?️ Optional: Dive accident insurance
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
? Book your Advanced Nitrox course today!
What Can You Discover?
Dive longer and spot more – from barracudas and wrecks like HTMS Chang to colorful reef life. Capture it all with your own camera or rent a GoPro.
Important Safety Notice:
Advanced Nitrox dives require focus, math accuracy, and team protocols. Do not use cannabis before or during dives.
? No Drugs – Dive Smart, Dive Safe!
What Our Guests Say About Us
Divers from around the world praise our tech instruction. Clear briefings, safety-first diving, and real skill development – that’s Chang Diving.
Google Reviews
From sidemount to advanced deco – read why Chang Diving is a trusted name in TDI training.
Tripadvisor Reviews
Our students recommend this course for structured, skill-focused progression into technical diving.
Facebook Reviews
Facebook followers share their journey from Nitrox to Trimix – and how it all began with Advanced Nitrox.
