Where Safety Meets More Bottom Time
Enriched Air NITROX 40
Breathe Smarter, Dive Longer
Stay Down Longer
More bottom time to explore.
Less Nitrogen, Less Fatigue
Breathe calmer, breathe smarter—get more from every tank.
Dive Safer
Stay well within no-deco limits and reduce your chances of decompression sickness with every dive.
Safety First
Master theory and practice at your pace — we’ve got your back
Dive With SSI’s App
Log dives, track progress, study theory, and unlock more features — all inside the SSI App.
Multiple Languages
Courses available in English, French, Spanish, and Portuguese — more languages upon request.
🏅 Master Your Nitrox Knowledge – Dive Safer, Stay Longer
🕗 Flexible Theory Schedule (2–3 Hours)
We’ll adjust the start time to suit your availability and our schedule. The course includes theory and classroom-based exercises.
📚 What You’ll Learn:
- How Nitrox (Enriched Air) works
- How to analyze your tank
- Planning safe no-decompression limits
- Benefits and considerations of diving with Nitrox
✅ Theory Only
This is a non-diving specialty — but if you want, we can add some Nitrox dives to put your knowledge into practice (just let us know when booking!).
Prerequisites
Make sure you’re all set to start your underwater adventure!
Important: Please make sure you don’t have any “Yes” answers on the second page of the medical form.
If you do, you’ll need a signed and stamped letter from a doctor confirming you are fit to dive.
🧾 Click the button above to download the medical form.
Enriched Air NITROX 40
Stay Longer at Depth — breathe better and make the most of every dive.
4 500
THB
Included
- 1 certification
- Multilingual instruction (English, French, Spanish & more)
- All SSI Fees & Equipment included
5 500
THB
Included
- 2 Dives in the sea
- 1 NITROX Tank
- 1 certification
- Multilingual instruction (English, French, Spanish & more)
- All SSI Fees & Equipment included
9 500
THB
Included
- 2 dives in the sea
- 1 NITROX Tank
- 1 Free night in our hostel
- 2 certifications
- Multilingual instruction (English, French, Spanish & more)
- All SSI Fees & Equipment included
✨ What’s Next in Your Dive Journey?
Turn Your Favorite Dives Into Full Certifications
Master Your Buoyancy
Perfect Buoyancy Specialty
You’ve increased your bottom time with Nitrox… now make the most of it by improving your control underwater!
Perfect Buoyancy helps you fine-tune your trim, breathing, and movement—so you glide effortlessly, reduce your air consumption, and minimize your impact on the reef.
Make the Reef Glow with UV Light
Night & Limited Visibility
You’ve extended your dive time with Nitrox… now dive into a world that only comes alive at night.
Grab a UV torch and uncover the reef’s secret glow.
Master the dark, feel the thrill, and turn your next dive into a surreal underwater adventure.
One night. One glowing world. One more reason to fall in love with diving.
Explore the Inside of a Wreck
Advanced Wreck Diving
You’ve extended your dive time with Nitrox… now it’s time to make that extra time count.
The real adventure isn’t circling around the wreck—it’s inside.
Learn how to safely penetrate and explore real wrecks, improve your buoyancy and awareness in confined spaces, and experience diving in a whole new way.