Overview
Advanced Trimix is the apex of open-circuit technical diving, hypoxic bottom mixes, multiple decompression gases and meticulous planning for dives to 100 metres. The deepest certification we teach.
What you'll learn
- Hypoxic trimix planning and travel gases
- Multiple-gas decompression management
- Failure analysis and bail-out planning
- Physiological and logistical limits
What's included
- All academic sessions and instructor time
- TDI digital materials and certification registration
- Use of stage/technical rig and required gas fills
- Open-water training dives in Lake Okanagan
Prerequisites
TDI Trimix (Normoxic), substantial logged trimix experience, age 18+.
Configuration matters here. Sidemount or backmount doubles? Take our gear guide for a recommendation, or see the kit list below.
Kit for this course
Recommended gear
The configuration we'd dive for this course, tap any card to drill into products, or shop it as a ready-made bundle. Not sure what suits you? Take the gear guide →
Base configuration
Backmount doubles (twinset)
- Backplate, harness and wing
- Manifolded twin cylinders (isolation manifold)
- Long-hose primary + necklaced backup regulator
- Two computers / bottom timer
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Add-onDecompression / stage
- Decompression / stage cylinder(s) + regulator(s)
- Stage rigging (bolt snaps, bands)
- Cut tables / dive-planning software
- SMB and spool per gas
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Add-onCold-water (dry suit)
- Dry suit + appropriate undergarment
- Dry or wet gloves
- Dedicated dry-suit inflation hose
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Shop this kit as a ready-made bundle, drill into each product and add to your enquiry.Build the Technical Doubles Kit →