Tec Trimix 65


PADI Tec Trimix 65

This course opens up the advantages of Trimix to the diver, and divers are qualified to make multi-stop decompression dives that employ EANx and oxygen for accelerated decompression, and any Trimix with an oxygen content of 18% or more.

They can dive to a maximum depth of 65 metres.



What do you need to start ? 

You must be:

Be a PADI Rescue Diver or equivalent and having proof of CPR and first aid training with the previous two years.
Be certified as a Tec 50 or equivalent
Be at least 18 years old
Have logged at least 100 dives
Have a medical form signed by your physician


What will you do during Your PADI Tec Trimix 65 course? 

The PADI Tec Trimix 65 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.

This course is for Tec 50 divers or equivalent. The course extends your depth range capabilities by training you to use Trimix (a blend of helium, oxygen and nitrogen).

You will:

Plan and execute at least five Trimix decompression dives using various Trimix blends
Use decompression software to create custom dive tables and dive plans
Make training dives as deep as 65 metres

The Scuba Gear You`ll Use 

Double cylinders (minimum 12 litre/70 cubic feet each, with larger preferred) with isolator manifold
Primary and secondary regulators, one with two metre hose (approximately) for gas sharing, and one with SPG
Stage/ decompression cylinders with regulator, SPG, mounting hardware and proper labeling/ markings. Two per diver will be required
Backup decompression cylinders as appropriate and required for the environment
BCD and harness – redundant buoyancy control is required (double bladder BCD or dry suit if suitable for weight of equipment worn)
Depth gauge/ computer and backup depth gauge/computer
Timing device and backup timing device
Trimix decompression information (tables/ trimix computer) and backup decompression information
Exposure suit appropriate for environment and dive duration. (If you use a dry suit, you should be trained/ experienced with its use in recreational and technical diving prior to using it for trimix training or diving.)
Argon dry suit inflation or other inflation system as needed
Weight system (if needed)
Jon line (if needed for current diving environments)
Inflatable signal tube
Lift bag (bright yellow or per local community practice preferred)
Dive knife / cutting device and backup slate, backup mask (optional)
Compass, lights (optional)
Drift kit (if drift decompressing)


What can you do after the PADI Tec Trimix 65 course ?

Since it's part of the full PADI Tec Trimix Diver course, your PADI Tec Trimix 65 course training credits toward the PADI Tec Trimix Diver course.

The Learning Materials You'll Need 

Tec Trimix Diver Crew-Pak

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

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

How long does it take and how much does it cost ?

Duration: 5 - 6 Days
Number of dives:  5 Open Water Dives 

799 €

If you wish, you can now go ahead and book your course online. By clicking on the “Book online” button you will leave our website and will be transferred to our secure booking option.

  Please  note: All Tec course prices include rentals of standard diving equipment and the technical rig, transportation to and from the dive sites in one of our air-conditioned mini-buses and/ or boat, plus PADI certification where applicable. We teach all of our Tec diver courses in small groups to ensure that you receive the attention that you deserve.
  Extras: PADI educational materials and diving equipment can be purchased from the Happy Divers shop.


How to continue ?



Next Step:

TEC Sidemount

Subsequent Courses:

TEC Trimix diver










Call us

+34 609 571 920

Email: college@idc-spain.com