Extended Range (45m)

The SSI Extended Range Trimix training programme is the core programme that all other open-circuit programs build on. This programme is the start of your exciting journey to become an accomplished tech diver. Using twinset configuration, this programme prepares you to plan and conduct trimix decompression dives to a maximum depth of 45 metres. 

You will learn the techniques and procedures for using trimix breathing gases and nitrox mixtures of up to 100% oxygen for decompression. You will earn the SSI Extended Range Trimix diver certification after completing this programme and gain new tech diver knowledge.

Facts and Training Standards

Price - £500 (Upgrade from EANx to Trimix £250)

This course can be completed either using Enriched Air Nitrox or Trimix.


Minimum Age - 18

Certification Prerequisties - Advanced Open Water Diver (or equivalent) Enriched Air Nitrox 40%

Minimum Logged Dives - 50 or be certified in Extended Range Nitrox Diving

Academic Sessions - 1 day

Pool/Confined Water Sessions - 1

Open Water Dives - 6

Maximum Training Depth - 45m

Suggested Duration - 18 hours

What's included - All learning materials, instructor time and instructor breathing gases.

Extra costs - Open Water site entry and consumables (e.g. Gas and Sofnolime - 15% discount on current gas prices).

Rental kit is available for the course but for maximum benefit, we recommend configuring your own equipment.

Or contact us to pay a deposit info@divewithjimmy.com