Hypoxic Trimix - Start deep trimix diving today!

Get ready to push your technical diving skills to the limit. SSI’s Hypoxic Trimix program will use all the knowledge, skills, equipment, and experience you have gained from your previous advanced dive training to take you on a journey to the depths of the ocean.

You will learn how to safely conduct the ultimate decompression dive by using trimix diving techniques and procedures. Learn how to carry and properly use a minimum of three stage-cylinders for travel and decompression gas alongside your twinset diving configuration. Using hypoxic trimix breathing gases, you will plan and conduct dives to a maximum depth of 100 meters. You will earn the coveted SSI Hypoxic Trimix certification after completing this program.

Discover Local Course Dates

Whether you’re on the move or planning ahead, we’ve got you covered. Never miss out on exciting training opportunities and register with ease.

Facts and Training Standards

Amount of Academic Sessions

 

5

Amount of Pool/Confined Water Sessions

 

1

Amount of Open Water Sessions

 

6

Maximum Training Depth

 

100 m / 330 ft

Suggested duration (h)

 

18

Certification Prerequisites

 

Minimum 100 logged dives, 30 logged dives deeper than 30 meters

SSI Standards
Languages
english
English
english-imperial
English US (imperial)
french
Français
german
Deutsch
greek
ελληνικά
italian
Italiano
korean
한국어
portuguese (europe)
Português (Portugal)
russian
Русский
spanish
Español

Adventure and unlimited depth

Here are the benefits you can expect from attending this training program:

The explorer's gas choice

At the apex of diving adventure, you are now the master of deep diving

Learn the role support divers have in your plans

Continue your extended range training

SSI’s Extended Range programs offer specific training materials with exciting, cutting-edge manuals developed by industry professionals with decades of technical diving experience. Continue your technical diving training with one of SSI’s many Extended Range specialties. As with all SSI programs, Extended Range is designed to fit your schedule. Training is flexible to match your goals and objectives.

Now that you have experienced the ultimate decompression dive, expand your technical diving knowledge further and continue exploring the underwater world’s overhead environments with the Extended Range Wreck Diving, Technical Wreck Diving, or Extended Range Cavern Diving programs. Learn to conduct intensive wreck penetration, using either a sidemount, rebreather, or twinset diving configuration. Gain high-level buoyancy control while learning finning techniques, line laying, the use of lights, lost line, lost light, and lost diver procedures.

More Information

Training Prerequisites

SSI Entry-Level Programs – Open Water Diver, Freediver, or Mermaid require students to complete a water fitness evaluation prior to open water training. The goal of this evaluation is to determine a comfort level baseline consisting of:

Swim Assessment

Survival Float

Technical Requirements

To start training, students must create a MySSI profile. This can either be done via the SSI website at www.divessi.com/register or by installing the MySSI App.

Simply download the app for either iOS or Android, set up the user profile, and access the world of diving in minutes! The MySSI App safely stores everything in one place, online or offline – training materials, logbook, and certification cards. This includes Recreational Scuba, Extended Range, Freediving and Mermaid.

Training Center Selection & Affiliation

Every student must select an SSI Training Center as their “Training Partner” during the course registration process. Affiliation ensures personalized service and a high-quality training experience.

Students can also change affiliation or choose to affiliate with multiple Training Centers in their user profile. When affiliating with a Training Center online or via the MySSI App, a Privacy Policy Agreement will be processed to comply with GDPR regulations.

Medical & Administrative Requirements

Each student or candidate must complete the required SSI Training Record Forms prior to participating in any SSI training program. The forms for minors must be reviewed and signed by a parent or guardian.

Responsible Diver Code

SSI Responsible Diver Code - Scuba DivingSSI Responsible Diver Code - FreedivingSSI Responsible Diver Code - Extended Range Diving

Diver Medical Statement & Questionnaire or Physician’s Approval to Dive (where required)

Training Assumption of Risk, Liability Release, & Liability Release, & Hold Harmless Agreement (where required / not applicable within the European Union)

Program-specific Completion Record (done by the Instructor prior to certification)

Training Course Costs

Training consists of various components which are either charged singly or as a package depending on the selected Training Center. The components are:

Training Materials / Digital Kit

Tuition for Academics and In-Water Training

Open Water Training Dives

Certification

Discover the Wonders of the Deep with SSI's Blog

Join us on an exciting journey of discovery and learn more about exhilarating diving adventures, dedicated conservation initiatives, and innovative educational opportunities that will help you illuminate the extraordinary beauty of the underwater world. Let's explore the underwater world together and delve into the hidden wonders beneath the gentle waves.

Featured destinations that are ideal for technical diving

SSI’s Extended Range allows you to go beyond the limits of recreational diving. This extensive compilation of globally recognized tec diving programs will equip you to go decompression diving, explore more challenging environments, and use new equipment configurations.