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Technical Diving International
Deco theory webinar course starts 21st July

What is it all about?

The previous webinar series were all completely sold out so I will be running another series starting on 12th October.

This interactive webinar course covers all of the key aspects of decompression theory and is designed to give a thorough grounding in the key concepts required to dive safely. It is aimed at divers who want to expand their understanding of decompression theory. It is also aimed at dive masters, instructors and other and other dive professionals who are responsible for teaching decompression as part of a diving course.

It is split into two six-week modules. The first introduces the basic principles of decompression theory and is ideal for the recreational diver, dive master or instructor who wants to improve their knowledge of decompression theory. No prior knowledge of decompression theory is required for this first module. It also provides the foundation of the second module. The second module covers more advanced decompression topics and is aimed at those who want to go into more detail or who are involved in technical diving either as technical divers or as instructirs. It also covers the latest thinking on deep stops as well as on in water recompression.

Deco for Divers What is the structure?

The course is split into two six-week modules. Each
weekly session included some preparatory
reading and a 60 minute zoom based interactive webinar
each Tuesday evening at 1900 UK time (UTC+1) and then
again at 1800 East Coast time (UTC-4) for 12 weeks.

The webinar will include presentation of the material,
interactive discussion of the concepts
covered and plenty of opportunities for questions.

It will not just be a zoom-based lecture but will be a
full interactive teaching session designed to help you
retain and be able to use the information presented.

Each webinar will be recorded so you will have a chance
to catch up if you have to miss the odd session but it
is recommended that you attend each session in person
in order to make the most of the interaction.

  • Module 1 - Introduction
    1. Introduction to decompression theory and the history
      of deco research
    2. Principles of decompression; perfusion, diffusion, half times,
      tissue compartments and saturation
    3. Principles of decompression; super supersaturation, critical
      supersaturation and M-values
    4. DCI; hydration, fitness, thermal considerations, treatment
    5. Other factors; PFO, lung shunts
    6. Nitrox and the oxygen window


  • Module 2 - Advanced
    1. Deep Stops and Gradient Factors
    2. Bubble models
    3. Latest in the Deep Stop debate
    4. Trimix considerations
    5. Other deco models
    6. Omitted deco and In Water Recompression


half time graph
Deco for Divers What is required to join?

The course is open to divers of any level so there are
no specific qualification prerequisites. We will cover
all of the information required within the background
reading and the course materials

You will need access to Zoom on a PC, Mac, tablet or
smartphone. You will also need a microphone
and speakers. A camera is also very useful in order to join
in interactive aspects of the class.

I'm interested, how do I sign up?

You can sign up for just Module 1 or both Modules 1 and 2.
Module 1 provides the foundation of module 2 and so it is
not possible to skip module 1.

The recommended text for the course is, of course,
Deco For Divers. If you do not have a copy you
can include the purchase of a signed copy of the latest
edition in your sign-up fee.

Deco for Divers

Spaces are limited so book your spot now.

Module 1 only (6 weeks) £120
Module 1 only (6 weeks) with copy of Deco for Diver (UK shipping) £140
Module 1 only (6 weeks) with copy of Deco for Diver (European shipping) £140
Module 1 only (6 weeks) with copy of Deco for Diver (Worldwide shipping) £140
Modules 1 and 2 (12 weeks) £220
Modules 1 and 2 (12 weeks) with copy of Deco for Diver (UK shipping) £240
Modules 1 and 2 (12 weeks) with copy of Deco for Diver (European shipping) £240
Modules 1 and 2 (12 weeks) with copy of Deco for Diver (Worldwide shipping) £240