
PADI Enriched Air Nitrox Course
To qualify as an Enriched Air Nitrox Diver you must be at least 12 years old and possess a PADI Open Water Diver certification or equivalent.
By the end of the course you will be qualified to:
- Decide the optimum gas blend for the depth you are diving to increase your no-stop limits.
- Obtain and analyse enriched air with a 22-40% oxygen content.
- Calculate your oxygen exposure and repetitive pressure groups.
- Understand the theoretical and operational considerations for Enriched Air diving.
After completing the course with Big Squid, you will receive a PADI Enriched Air Diver certification card, allowing you to obtain and use enriched air worldwide.
There are 2 different options for the course with Big Squid. Both provide the same Nitrox qualification.

Enriched Air Nitrox Certification
This course certifies you to dive with Enriched Air Nitrox through theory and practical applications, but without any actual dives. You’ll receive the same certification as those who choose the diving option.
What’s included:
- Online course materials
- Full certification
- No additional costs
What you need to do: Visit one of our locations for a 30-minute session to complete a quiz and analyse some gas cylinders.
Cost: £195.00
Available locations for your practical session:
- Clapham Leisure Centre, London, SW4 6DB
- Dulwich College Sports Club, London, SE21 7LE
- Big Squid, Portland, DT5 1DX
ENRICHED AIR NITROX WITH 2 DIVES
This course is completed in 1 day and includes two open-water dives plus a knowledge development section.
What’s included:
- PADI Enriched Air eLearning program
- Tanks, nitrox, weights and all equipment
What’s not included:
- Site entry fees or boat fees (if applicable)
Add-on option:
Combine this course with a PADI Dry Suit Course for an extra £185.00
Cost: £335.00
Location: Wraysbury, Vobster Quay, or any UK Dive Trip
