Enriched Air (Nitrox)



Nitrox is our most popular specialty diver course, and its easy to see why. Over the last two decades Nitrox has become one of the most important tools used in scuba diving. It has many benefits and advantages over air, and has revolutionized the way we dive today.


What it is:
Air is primarily a mix of nitrogen and oxygen, in a ratio of 21% oxygen and 79% nitrogen. This is an excellent mix for the surface, obviously as we have been using it for thousands of years! However for scuba diving, adjusting this ratio (resulting in a breathing mix we call Nitrox) opens many windows of opportunity. Nitrox is enriched air, any mix that has more than 21% oxygen in it (and proportionately less nitrogen). If we have less nitrogen in our tanks, we breathe and accumulate less of it during our dives, so therefore we can stay down longer, have shorter surface intervals, and are less prone to issues that too much nitrogen causes. Like everything, there is a drawback to “too much of a good thing”, there are certain considerations to be taken into account when using Nitrox. This course trains divers to safely and effectively use Nitrox mixes from 22-40% on dives.


Nitrox Courses We Offer:


  • Computer Nitrox Diver (SDI)
  • Nitrox Diver (TDI, NAUI)
  • Nitrox Programme (NAUI)
  • EANx Diver (PADI)


Gear you need to provide:
There are no compulsory dives to obtain your Nitrox Certification from most agencies. If you wish to dive, you will need to provide all your own dive gear. BC, regulator, wetsuit, weights are are available for rental with a discount for our Alumni (anyone that has taken a class from us).

What the course entails:
The Nitrox course is mainly an academic based course that trains divers on the background and principles of Nitrox diving, benefits and considerations when using Nitrox, and how to properly plan Nitrox Dives. There are no specific water skills to be evaluated at this level (hence no compulsory dives at this level), however to effectively demonstrate the advantages of Nitrox, students are encouraged to do some diving while using Nitrox.


Prerequisites for Course:

  • You need to be Open Water Certified (or equivalent), or enrolled in an Open Water Course
  • Before participating in the Nitrox diver course, you will be asked to fill out a standard liability release form and medical forms. If you answer YES to anything on the medical, you will have to get it signed off by a physician.
  • To enroll in the SDI Computer Nitrox programme, you must own your own dive computer.
  • DAN Insurance is HIGHLY recommend for all diving activities.

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