TDI Advanced Trimix Diver

The TDI Advanced Trimix Course provides the training required to competently and safely utilise breathing gases containing helium for dives that require staged decompression, utilising Enriched Air and/or oxygen mixtures during decompression to a maximum depth of 100m. The objective of this course is to train divers in the benefits, hazards and proper procedures of utilising custom O2/He/N2 mixtures as breathing gases.

Price – Course: 1000 euros* – Student Kit & Manuals: 50 euros – Certification fees:35 euros

Program limits

100 meters


5 days

Required Equipment

– Deco cylinder and oxygen regulator (provided during training)
– Deco buoy and reel


– Minimum age: 18 years.
– Certified Extended Range Diver or Technical Diver or Tec Deep Diver or equivalent.
– Show proof a minimum of 200 (IANTD) or 100 (TDI) logged dives with 25 deeper than 30 meters.
Prior logged experience with double cylinders and any other unfamiliar equipment

* Contact us for pre-booking rates or special offers.

Book Now  FAQ

Important Note

For safety, all PADI students must complete a brief medical prior to commencing a course. If none of the listed conditions apply, you sign the form and you’re ready to start. If any of them apply to you, as a safety precaution, a physician must assess the condition as it relates to diving and sign a medical form that confirms that you’re fit to dive, dated within the last 12 months. Click here to view the form.