Photo by Teemu Virtanen · CC BY-SA 3.0
OC Tech (100m)Generic
Tec Trimix (100m)
Last updated September 7, 2026
Advanced technical trimix course extending staged decompression diving to around 100 m, with multiple gas switches, hypoxic bottom mixes, and significant decompression obligations.
No instructors or dive centres found offering this course.
We're still building out the directory country by country, so this list isn't every instructor or dive centre teaching it in the world — more locations are coming soon.