Tec 45 – Open Circuit

Tec 45 builds on decompression theory and execution, extending your depth range and increasing task complexity. You’ll refine gas management skills and learn to plan longer, more demanding dives.

This course emphasizes precision, awareness, and teamwork under increased decompression obligations.

The Fun Part

This is where technical diving becomes truly immersive — longer dives, more complex planning, and a deeper sense of accomplishment.

What You Learn

• Advanced decompression planning

• Multiple gas usage

• Team coordination

• Risk management

Your Next Adventure

Tec 45 prepares you for Tec 50 and advanced decompression diving.