The Extended Rebreather Explorer Diver Level 5 CCR courses are advanced or explorer courses.

These courses are designed to provide you with the skills and knowledge necessary to be able to dive to 100 meters and beyond on a rebreather. As part of the course you will study the use of Tri-Mix gases and extended decompression. Within the course you will dive to a maximum depth of 100 meters with unlimited decompression.

The course covers advanced rebreather, decompression and tri-mix theory. The course will also focus more on mission orientated dive planning.

As part of the course you will have between 4 to 6 open water dives, but usually 2-4 more dives are needed.

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