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Enriched Air Nitrox Course - Sydney - Alexandria

This course is designed to train certified divers to safely

  • Use nitrox breathing gas with an oxygen percentage ranging from 22 percent to 40 percent.
  • Plan dives within modified No Decompression units using a programable personal nitrox dive computer or by using dive planning software.
  • Describe the hazards of handling high-oxygen gas mixtures, and the basic requirement for cleaning scuba gear for high-oxygen environments (i.e. mixes up to 40% oxygen)
  • Calculate the Maximum Operating Depth of an analyzed nitrox breathing gas at a target depth between 6 meters/20 feet and 40 meters/130 feet and a partial pressure of oxygen between 1.0 and 1.6 bar.
  • Understand the relationship between oxygen partial pressure and NOAA time limits to determine oxygen CNS loading.
  • List the signs and symptoms of Central Nervous System oxygen toxicity.
  • Understand how to calibrate a simple oxygen analyzer and use it to measure O2 percentage in a cylinder and to familiarize themselves with the standard procedures for gas analysis.
  • Demonstrate how to label an analyzed diving cylinder properly.




  • Online training to complete before arrival at the dive centre
  • Theory review, dry skills & exam
    • 08:00am - 10:00am
  • Double boat dive (if selected)
    • 12:00pm - 05:00pm



Diving experience

  • Must have dived with 12 months
    • If you haven't dived in a while, please contact us for a scuba refresher.
  • Must be open water certified by a reconised agency

Online training

  • Learn the basics of advanced diver theory
  • Upload a photo (headshot) to your online training profile.

Fitness to Dive

What you need to bring

  • Sunscreen
  • Swimwear
  • Towel
  • Lunch
  • Seasickness medication is highly recommended (contact your GP if you are unsure whether you can take it)

Students under the age of 18 years

  • The minimum age is 15 years.
  • All students under 18 years of age will require parent/gardian consent


Meeting Point

PRO DIVE at Alexandria
Address:184 Bourke Rd Alexandria NSW 2015


Our aim is always to offer our divers a safe and enjoyable experience. Below are reviews from customers who left use feedback on their experience.
Nicole was exceptional at presenting the course in a simplified and concise manner. Highly recommended. by mary gardner - 05-Aug-2023
Sam was very patient and very profesional by Tom Klicki - 11-Mar-2023

*All Prices are Per Person and Prices may vary depending on Start Dates and options.

More Information

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