TDI Nitrox Diver



The TDI Nitrox Diver Course is an entry-level course for divers wishing to continue their diver education and utilize enriched air nitrox as a breathing gas to extend no decompression limits at depth. You will be certified to dive enriched air nitrox mixes up to 40% to enjoy longer bottom times on some of the Gili’s best deep sites such as Shark Point, Deep Turbo, Halik, Mirko’s and Simon’s.

Who this course is for

  • The open water diver who is interested in learning more about Nitrox diving and extending their bottom time

  • The certified diver who is interested in moving forward with technical diving

Course prerequisites

  • Minimum age 18, 15 with parental consent

  • Minimum certification of open water diver or current enrollment in an open water diver course

What you can expect to learn

  • The benefits, hazards, and proper procedures for using Nitrox mixes from 22 through 40 percent oxygen content

  • Equipment considerations, cylinder labeling, analyzing Nitrox mixes and gas blending procedures

What’s in it for you?

  • Ability to dive using EAN-22 to EAN-40 without direct supervision

  • Ability to enroll in TDI Advanced Nitrox


1 day, 2 dives (optional)

TDI Nitrox certification requirements

  • Satisfactorily complete the TDI Nitrox course and written examination