The TDI Advanced Nitrox course will allow the use of Nitrox mixes between 22% and 100% for dives not requiring staged decompression to a maximum depth of 40m. This course can be combined with the TDI Decompression Procedures course at the discretion of the instructor.
You must be at least 15 years old unless your Advanced Nitrox course is to be combined with the Decompression course, in which case you will need to be at least 18 years old.
You must already hold a basic Nitrox qualification from a recognised training agency.
You must already have completed 25 logged open water dives.
It consists of one days classroom based Enriched Air theory followed by two days in open water.