Deco 40 Diver - Trimix


Your Introduction into the technical diving world. Deco 40 is a Advanced Nitrox and Deco procedures combo programme. It can be done on a single with a stage, on Sidemount and on a Twinset depending on your needs and preferences. All decompression and technical programmes are delivered by the Diving Matrix team for DiveLife.

Who is this for?

Are you 16 years or older, certified as RAID Advanced 35, Nitrox and Deep.......then you can apply to start the RAID Deco40 Program, our solid introduction into Technical Diving.

So you've been to 40m and you realise you want to spend a bit more time there, well then the DECO 40 program is for you.

What Will you learn?

We'll start with reviewing your current diving techniques and planning skills. Making sure you are as sharp on land as in the water. We'll ensure you are flat in the water hovering beautifully while you deal with simulated problems.

We'll take you to 40m and introduce the use of Helium in your optimum breathing mix. You'll learn how to safely and comfortably conduct non-accelerated decompression dives with a limit of 10min deco.

Pricing & Duration

This is a 2 to 3 day course, depending on your background and skill level, Day one is spend in the shallows ensuring your skills are up to date, whereas days 2 and 3 are spend at increasing depths conducting simulated and actual decompression dives.

The Shallow bit can be done anywhere, whereas the deeper bit will be done at NDAC (or abroad).

Course Price: £200 per day + Materials + Helium

How To Get Started?

Drop by at the Learning Centre in Whitefield for a consultation about how to get started, we can schedule you in while you are there and answer all your questions you may have. Alternatively contact the shop via Phone 0330 223 4140 or Email

Wanna know more? Ask us to open the online part of the course for you, we'll happily do this without a charge! 

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