The TDI Advanced Nitrox Course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 within your current certification level to a maximum depth of 40 metres/130 feet during dives that do not require staged decompression. Often taught in conjunction with the TDI Decompression Procedures course, this can be considered the foundation of your technical diving career. Advanced Nitrox is also a great course for those wanting to extend their bottom times in shallower depths such as scientific diver, and is a must for SCR or CCR divers.

This course is rooted in the utilization of oxygen and enriched air nitrox for diving purposes and how the manipulation of the partial pressure of oxygen affects the on/off gassing process.

This course is often taught as a combined course with Decompression Procedures.

Course Costs:

Class/Diving: $400.00

Charters: $160-$240 (4-6 Dives off charters)

Text: $60 TDI text


Course Prerequisites:

– 18 years old

– Nitrox Diver or Equivalent

– 25 Dives


Required Gear List:

– See downloads section under either Decompression Procedures or rEvo Air Diluent for required gear.

Skills & Course Dives:

-Review Nitrox Skills

-Proper gas analysis

-Pre-dive planning

-CNS planning

-Gas labeling

-Computer use

-Practical use of gas

-A minimum of 4 dives is required for this course if taken alone, combined with decompression procedures a minimum of 6 dives are required. This is very much individual based and more dives are always conducted for polishing skills and technique.


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