Basic Nitrox

TDI Understanding Nitrox course is an entry level course for divers wishing to utilise enriched air nitrox as a breathing gas. Little else has impacted recreational diving more than the introduction of nitrox, allowing more time underwater. During this course, you will learn the benefits, hazards and proper procedures for diving with EAN 22 to EAN 40.


Your TDI Instructor will also cover:

  • Equipment considerations
  • Cylinder labelling
  • Analysis of Nitrox


  • At least 15 years of age
  • Open Water Diver certification

Course schedule:

  • Independent study
  • Classroom presentations
  • No dives are required