Go Tech with our PURE Team of Technical Instructors

Go Tech

Course Overview

The TDI Trimix Diver Course provides the training required to competently and safely utilise breathing gases containing helium for dives that require staged decompression, utilising Enriched Air or oxygen mixtures during decompression to a maximum depth of 60m. 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.


5 days

Program limits

60 meters

Required Equipment

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


– Minimum age : 18 years.
– Certified Advanced Nitrox Diver and Decompression Procedures Diver or equivalent.
– Minimum of 100 logged dives.
– Similar courses available with IANTD and PADI Tec Rec

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