TDI Advanced Nitrox Course – Maximize Your Dive Time

From: ฿25,000.00 incl. VAT

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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!


Book Now


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.


Price Includes

  • Free transfer on your dive day from your hotel to the boat-White Sand Beach to Bang Bao.(East Coast pick up on request)
  • All Equipment which you need for Scuba Diving or Snorkeling
  • Full Set of own Scuba Diving Gear?Discount 200 THB/Day(we provide tanks and weights)
  • Lunch, soft drinks, coffee, tea and local fruits are served on boat
  • English Speaking Divemaster or Instructor (Group Sizes max.5 PAX)
  • Free Wifi on the Boat(max. 10PAX)
  • Credit Card At the Shop or Boat (PayPal only at the online store)Payments above 1500 THB Free of charge
  • NATIONAL PARK FEE'S NOT INCLUDED

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