The Tek Extended Range TDI Training in Marseille trains you to tackle deep air dives up to 60m with safety and comfort.

You will learn to dive with a more sophisticated configuration: bi-bottle For more autonomy, stab Tek for more volume, blocks of Deco for more security!

You will learn how to use the most suitable deco blocks for your dive, as well as use the multi-gas computer if you are equipped with it and build a run-time with specific software like V-Planner to optimize your decompression.

You will learn the rule of What if? What if?

Gas loss background – loss of Deco gas – loss of decompression means – loss of mask – loss of means of buoyancy – loss of binomial...

This demanding training is reserved for Level 3 divers who want to start new challenges! A great prerequisite for the next step: diving trimix!