Chang Diving

06/07/2026

🔧🌊 Every Technical Diver Has a Story. What’s Yours? 🤿

Technical diving is more than going deeper or staying longer underwater.

🧠 It’s about discipline, preparation, problem-solving, teamwork, and the desire to explore places few people ever see. Every technical diver started exactly the same way—with curiosity and the decision to keep learning.

⚙️ Whether your journey led you to sidemount, decompression diving, trimix, cave diving, or wreck exploration, every experience teaches something new.

🌍 At Chang Diving, we’ve been fortunate to meet technical divers from around the world. Their stories remind us that technical diving isn’t about taking bigger risks—it’s about developing greater knowledge, better skills, and making safer decisions.

📖 We’ve put together an article celebrating the passion, challenges, and mindset that unite technical divers everywhere.

👉 Read the full article here:
https://changdiving.com/en/posts/straight-talk/technical-diver-stories/

💬 We’d love to hear from you:
🔹 What inspired you to become a technical diver?
🔹 What was your biggest challenge during training?
🔹 Which technical dive has stayed with you the most?

👇 Share your story in the comments!

⚓ Stay curious. Dive smarter. Never stop learning. 🌊

Straight Talk: real student feedback on combined TDI Advanced Nitrox, Decompression Procedures, and Advanced Wreck training in Thailand.

17/04/2026

🔥 Last Day – TDI Tech Package Completed 🔥

Today we finished our full Technical Diving International, tech training package here on Koh Chang:
👉 Decompression Procedures
👉 Advanced Nitrox
👉 Advanced Wreck

All 3 students delivered excellent performance, strong team awareness, and solid technical skills throughout the entire program 💪

From precise gas planning to clean ex*****on on the HTMS Chang Wreck – exactly what proper tech training should look like.

😄 Small “real-world problem solving” moment included:
Forgotten hoods = improvised solutions
➡️ Nitrox neoprene tank bands turned into head protection

That’s tech diving: adapt, solve, continue ✔️

Respect to the team – well done guys 👊

👉 If you wanna know more about tech diving in Koh Chang:
https://changdiving.com/en/posts/straight-talk/tech-diving-koh-chang/

Ready for your next step into technical diving?
👉 https://changdiving.com/en/courses/technical-diving-courses/

15/04/2026

🔥 Serious fun at the HTMS Chang Wreck today!

Sidemount, twinset, and rebreather divers all in one place – exactly how diving should be 😎

Perfect conditions for training, exploration, and pushing skills to the next level. From extended bottom times to smooth team dives – this is what proper diving looks like.

Want to join the next trip or level up your diving? 👇
👉 https://changdiving.com/en/courses/deep-wreck-nitrox/

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13/04/2026

🌊 Wreck Diving & Deco Training at HTMS Chang ⚓

A few impressions from our recent dives and training sessions at the legendary HTMS Chang wreck here in Koh Chang.

From recreational wreck exploration to full technical decompression training – this site delivers every time. Massive structure, changing visibility, and incredible marine life make it one of the most exciting dive sites in Thailand.

Our teams worked through real deco procedures, gas planning, and controlled ascents – exactly how it should be done: safe, structured, and fun.

⚠️ The HTMS Chang wreck is reserved for experienced divers:
Advanced certification or Open Water with proven deep dive experience required.

Ready to take your diving to the next level?

👉 Wreck info: https://changdiving.com/en/dive-sites/htms-chang-wreck/
👉 Courses & training: https://changdiving.com/en/courses/deco-procedures/

07/04/2026

Day 2 – TDI Decompression Procedures at HTMS Chang ⚙️🤿

Today was all about stepping beyond limits.

On Day 2 of our TDI Decompression Procedures training, the team completed their first real decompression dives at the famous HTMS Chang wreck — and absolutely nailed it 💪

From precise gas planning to controlled ascents and staged decompression, this is where recreational diving ends… and real technical diving begins.

You could literally see the mindset shift underwater:
👉 More focus
👉 More discipline
👉 More awareness

And yes… once you experience your first planned deco stop — there’s no going back 😎

📍 Want to take your diving to the next level?
Check out the course here:
👉 https://changdiving.com/en/courses/deco-procedures/

🚢 Explore the HTMS Chang wreck:
👉 https://changdiving.com/en/dive-sites/htms-chang-wreck/

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21/03/2026

Today we enjoyed another amazing day with 2 dives at the HTMS Chang Wreck 🤿⚓
👉 https://changdiving.com/en/dive-sites/htms-chang-wreck/

And guess who showed up again… our old friend – the green sea turtle 🐢💚
👉 https://changdiving.com/en/posts/marine-life-koh-chang/marine-life-green-sea-turtle/

She really gave her best today – posing, cruising around us and making it way too easy to capture some incredible shots 📸✨

Moments like this are exactly why diving Koh Chang never gets boring!

👉 Want to join the next HTMS Chang adventure?
https://changdiving.com/en/day-trips/fun-dives/

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09/03/2026

🌊 Why does a BCD inflate by itself during a dive?

It happens more often than many divers think — and in most cases it’s not dangerous, but it can definitely be confusing underwater.

In our new article we explain:

✔️ Why a BCD can start inflating on its own
✔️ The most common causes
✔️ How to stop it during the dive
✔️ What you should check after the dive

Understanding your equipment is an important part of becoming a confident diver.

Read the full guide here:
👉 https://changdiving.com/en/posts/tips-and-tricks/self-inflating-bcd/

Safe diving starts with knowledge. 🤿

A simple guide for divers: stay calm, disconnect the LP inflator hose, control buoyancy manually. Learn how to prevent and handle a self-inflating BCD.

19/02/2026

Three dives. Three completely different moods. One perfect day.

Today we explored:

⚓ HTMS Chang – powerful as always. Massive schools of fish around the wreck, light playing through the structure, that deep blue atmosphere you just don’t forget.

🐟 Hin Raab – colorful reef life, relaxed conditions and healthy corals. Always a pleasure to dive there.

🌊 Hin Luk Bat – beautiful reef formations, great visibility and loads of marine life hiding in every corner.

Koh Chang just keeps delivering.

If you’re planning your dive trip – this is what a normal day can look like here 😉

👉 Discover all dive sites:
https://changdiving.com/en/dive-sites/

18/02/2026

Three dives. One turtle. Pure Koh Chang magic. 🐢💙

Today gave us everything that makes diving around Koh Chang so special — beautiful reefs, relaxed conditions and a stunning turtle encounter that stayed with us for several minutes.

Moments like this are exactly why we love what we do.

Every dive is different. Every day underwater tells a new story.

If you want to experience Koh Chang below the surface, join us for our daily fun dives 👇
👉 https://changdiving.com/en/day-trips/fun-dives/

Small groups. Professional guidance. Real diving.

17/02/2026

🚤 Dive Boat Safety – What Every Diver Should Know

A dive boat is not a party platform.
It’s a moving dive operation.

After thousands of dives around Koh Chang, we see the same small mistakes again and again — and most of them are avoidable.

✔ Equipment chaos
✔ Last-minute setup stress
✔ Wrong weighting
✔ Poor entry timing
✔ No awareness of boat procedures

That’s exactly why we wrote this new article:

👉 Dive Boat Safety – What Every Diver Should Know
https://changdiving.com/en/posts/straight-talk/dive-boat-safety/

Whether you’re a beginner or an experienced diver — good boat behavior makes the difference between stress and smooth professional diving.

Small habits. Big impact.

See you on board.
Chang Diving Center – Koh Chang

Diving doesn't start underwater — it starts on the boat. Practical rules for Koh Chang divers to prevent accidents, protect valuables and keep the deck organized.