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Closed-Cicuit Rebreather Mixed Gas Diluent (MOD3) Course Details

courses > rebreather > closed-circuit rebreather mixed gas diluent - decompression (mod3)

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Course Overview

The Closed-Circuit Rebreather Mixed Gas Diluent (MOD3) course is the third step in the exclusive world of closed-circuit rebreathers. The main focus of this course is learning the skills and techniques required to engage in mixed gas diving using a closed-circuit rebreather.


Closed Circuit Rebreather Air Diluent (MOD1) certified.
Decompression Procedures diver certified.
50 logged Closed Circuit dives out of which 25 deeper than 20msw.


After completing the Closed-Circuit rebreather Mixed Gas Diluent (MOD3) course, the successful candidate engage in decompression diving using mixed gas as a diluent (min 16% of oxygen) on a specific closed-circuit rebreathers to a maximum depth of 60msw.

Combination courses

You can combine the Closed-Circuit rebreather Mixed Gas Diluent (MOD3) course with:

  1. Decompression Diver course.
  2. Closed Circuit Rebreather Air Diluent (MOD1) course.
  3. Closed Circuit Rebreather Air Diluent - Decompression (MOD2) course.

What can I do next?

Once certified as a Closed-circuit rebreather Mixed Gas Diluent (MOD3) diver you can enroll in:
  1. Closed-circuit rebreather Advanced Mixed Gas Diluent (MOD4) course.
  2. Advanced Wreck course.

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