For the extreme diver ready to further explore the world of technical deep diving, the gas of choice is trimix –
a blend of oxygen, helium and nitrogen. The PADI Tec Trimix Diver course takes you to the outer edges of
technical deep diving, opening the door to pristine dive sites few divers, if any – ever see.

The PADI Tec Trimix Diver course is intended to extend the depth range of technical divers already trained and
qualified to use air, enriched air and oxygen for technical decompression dives beyond 50 metres. Diving with
trimix is the outer edge of tec diving – the maximum depth for using this technology has yet to be defined.

This course is for Tec 50 or Tec Trimix 65 (or those holding a qualifying certification from another training
organization). The course extends your depth range capabilities by training you to use trimix  (a blend of helium,
oxygen and nitrogen). You will learn how to plan and execute at least five trimix decompression dives using
various trimix blends, use decompression software to create custom dive tables and dive plans and make
training dives as deep as 75 metres.

Topics covered include:

  • Trimix diving depth ranges
  • Exposure planning
  • Selecting a mix
  • Argon inflation systems
  • Handling three or four decompression cylinders
  • Decompression models
  • Emergency procedures
  • Face masks and multi-gas computers.

The Tec Trimix Diver Crew-Pak includes all required materials,  including: manual, deep stop
calculation table, trimix decal and emergency procedures slate.


  • Be a PADI Rescue Diver or equivalent.
  • Proof of CPR and first aid training with the previous two years.
  • Be a PADI Tec 50 Diver or Tec Trimix 65 or equivalent.
  • Have a minimum of 150 logged dives.
  • Have a medical form signed by your physician
  • Be at least 18 years old

Day #1- 8:00am to 5:00pm (Theory, Gear Configuration Session & Dive 1)
Day #2- 8:00am to 5:00pm (Theory & Dive 2)
Day #3- 8:00am to 5:00pm (Theory & Dive 3)

(If you are entering this course as a Tec 50 Diver, you must do all eight dives. Thus add the Tec Trimix 65 & Tec Trimix Courses together)

COST: $495.00   (If you are already PADI Tec Trimix 65 certified) Cost of entire program is $1290.00

Includes: Tec Trimix Diver manual, deep stop calculation table, trimix decal and emergency procedures slate, Vinyl Bag, Instruction, Boat Dives, Certification, Certificate, Use of twin tanks & stage bottles if you do not own your own.

All other equipment must be provided by student or can be hired at extra cost.
Gases other than air are extra.

Please Note: If you are entering this course with a Tec 50 equivalent certification, you must do an additional dive. Add $100.00.