Are you looking to expand your depth range? Do you want to reduce narcosis during deep dives? The TDI Trimix Diver Course could be your next step!

The psychological and physiological issues arising from deep air dives make it a risky proposition. However, with different gases, deep diving can be done safely. Using trimix blends reduces the problems associated with both narcosis and oxygen exposure on deep dives. The objective of this course is to train divers in the benefits, hazards, and proper procedures of utilizing custom oxygen / helium / nitrogen mixtures as breathing gases. This course trains divers to descend to up to 60 meters on normoxic blends, containing no less than 18% O2. This course can be combined with Extended Range.

Course length: Minimum 3 days, 6 dives

Max Depth: 60 meters

Costs: $275 per day 1 diver

$250 per day 2-3 divers

Includes Materials, Equipment, Air Fills and O2 fills, and certification fee.

Helium fills are at market price.


18 years of age, minimum certification as a TDI Advanced Nitrox Diver and TDI

Decompression Procedures Diver, or equivalent. Provide proof of a minimum 100 logged dives

Cause we're probably underwater.