Hollis PRISM 2-CCR Mix Gas Diver

Service Description

Take your technical diving skills to the next level with the TDI Hollis PRISM 2-CCR Mix 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