Hollis PRISM 2 Rebreather Mixed Gas Diver Course – Warrior Dive Adventure
TDI Certified Rebreather Training for Mixed Gas Divers (Up to 60 Metres)
Take your technical diving skills to the next level with the TDI Hollis PRISM 2 Rebreather Mixed Gas Diver Course, exclusively offered by Warrior Dive Adventure. This intermediate-level rebreather certification is designed for divers who want to safely explore depths up to 60 metres using the Hollis PRISM 2 Closed Circuit Rebreather (CCR) and mixed gas diluents.
This course focuses on the benefits, risks, procedures, and skill development required for safe and effective mixed gas CCR diving—perfect for advanced divers, expedition divers, and those aiming to expand their depth limits while reducing decompression gas load.
Why Train on the Hollis PRISM 2 CCR?
The Hollis PRISM 2 CCR is one of the most reliable and advanced closed-circuit rebreathers in the diving industry. Trusted by explorers and technical divers around the globe, it’s engineered for deep, extended-range diving using helium-based mixed gases like trimix. At Warrior Dive Adventure, our expert TDI instructors deliver unit-specific training to help you dive this system with confidence, control, and maximum safety.
Course Overview
The Hollis PRISM 2 Rebreather Mixed Gas Diver Course is the go-to training for:
Experienced CCR divers ready to advance into helium-based diving
Divers looking to dive up to 60 metres using a mixed gas diluent (16%+ O₂)
Technical divers seeking extended bottom times and decompression capabilities
Divers aiming for deep ocean, wreck, or exploration missions
Course Prerequisites
To enroll, candidates must:
Be at least 18 years old
Provide a verified log of 50+ hours and 50 dives on the Hollis PRISM 2 CCR
Divers with 50+ hours on another TDI-recognized CCR only need 25 hours on the Hollis PRISM 2
Valid dives must include:
Depths greater than 9 metres (30 feet)
Half must be deeper than 20 metres (66 feet)
Hold one of the following certifications:
TDI Air Diluent Decompression Procedures Rebreather Diver, or
TDI CCR Helitrox Diluent Decompression Procedures Diver, or equivalent
What You’ll Learn
This intensive, hands-on rebreather training includes:
Full equipment critique and setup for the Hollis PRISM 2 CCR
Gas planning for oxygen and helium-based mixes
Setpoint management and manual control of oxygen dosing
Advanced CCR bailout strategies and emergency drills
Loop management, decompression control, and contingency planning
Oxygen and helium physiology, OTU/CNS exposure, and mission readiness
Course Schedule
| Day | Topics & Dives |
|---|---|
| Day 1 | Introduction, Theory, Equipment Assembly & System Review |
| Day 2 | Open Water Dive 1 & Dive 2 |
| Day 3 | Open Water Dive 3 & Dive 4 |
| Day 4 | Open Water Dive 5 & Dive 6, Theory Exam |
💡 Need a Trimix or Nitrox Analyzer?
Visit our online dive store for essential CCR tools and accessories.
Course Price
AUD $1999.00
Includes theory sessions, dive instruction, and certification processing.
(Helium, sorb, and CCR rental not included.)
Certification Outcome
Graduates of this course will be certified as TDI Hollis PRISM 2 Rebreather Mixed Gas Divers, qualified to:
Dive independently on the Hollis PRISM 2 CCR
Plan and execute mixed gas dives up to 60 metres
Continue their progression into advanced trimix or expedition-level rebreather diving
Where to Go Next
After this course, continue your technical dive journey with:
TDI Advanced Trimix Diver – Explore deeper depths beyond 60m
TDI Advanced Wreck or Cave Diver – Use your Hollis PRISM 2 in overhead environments
Book Your Spot at Warrior Dive Adventure
Gain the skills and confidence to safely dive with helium-based gases and take your CCR diving further than ever. Enroll in the TDI Hollis PRISM 2 Rebreather Mixed Gas Diver Course at Warrior Dive Adventure today and start exploring at depth with one of the most advanced rebreathers on the market.
👉 Contact us now to register or speak with one of our instructors for more details.