Safety guides
Gas-switching mistakes
The right gas in the wrong place can be dangerous.
Explore →THE DIVER’S RESOURCE CENTRE
Better questions. Useful answers.
Find a lesson, look up a word, check the forecast or find the manual for your gear. Bring your next diving question here.
FIND YOUR NEXT ANSWERNEW / INTERACTIVE TOOLS
Planners, checklists & logs
Eight tools to organise a trip, compare courses, keep equipment records and prepare useful notes.
Open the tools →01 / BEFORE YOU TRAVELWeather & dive preparation
Official forecasts, tide information and a worksheet to take to your briefing.
Open the preparation resources →02 / KNOW YOUR EQUIPMENTManuals & manufacturer support
Find the correct documents for your model and prepare a useful support enquiry.
Find your brand →Search places, operators and learning
Search Australian dive sites, dive centres, regions, published guides, courses and definitions in one place. Filter by type to narrow your results.
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Guides
How to Choose a Dive Centre
The most useful question is not which centre is best — it is which centre suits what you actually want to do.
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Make an emergency action plan
An emergency plan should work at the actual site with the people and equipment present.
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Maximum operating depth is a boundary
A gas’s maximum operating depth is a planning limit, not a target to reach.
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NAUI Assistant Instructor
Prepare to support NAUI instructors within the scope of an assistant leadership role.
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NAUI Divemaster
Develop leadership capability for organising and supporting diving within NAUI standards.
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NAUI Nitrox Diver
Study enriched-air nitrox and how its composition changes recreational planning.
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NAUI Rescue Scuba Diver
Develop risk management, assistance, transport and rescue skills for diving emergencies.
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Nitrox Fills
Standard mixes, custom blending, and why a simple yes or no is not enough information.
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Nitrox vs Air
What Nitrox actually does, what it does not do, and when the extra cost is justified.
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PADI Enriched Air Diver
Learn to plan and manage recreational enriched-air nitrox use.
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PADI Rescue Diver
Develop awareness of problems, self-rescue, assistance and coordinated responses to diving emergencies.
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PADI TecRec vs SSI Extended Range
Two technical-diving systems with different course packaging, terminology and centre models—from first decompression to Trimix and CCR.
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Questions to ask a dive operator
A good booking conversation makes the trip’s demands and support arrangements clear.
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Rebreathers: a different risk picture
Rebreathers recycle breathing gas and require a different approach to preparation and monitoring.
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Recognising possible decompression sickness
Unexpected symptoms after diving deserve attention even when the dive seemed uneventful.
Explore →Beginner lessons
Regulators and breathing gas
Explain the broad function of a regulator system.
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Rescue Diver
The course most divers describe as the hardest and the most genuinely useful they have taken.
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SSI Diver Stress and Rescue
Learn to recognise stress, prevent incidents and assist with diving emergencies.
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TDI Air Diluent CCR Diver
Learn closed-circuit rebreather use on a specific approved unit within the course’s no-stop scope.
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TDI Trimix Diver
Develop mixed-gas planning and execution for appropriately experienced technical divers.
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TDI vs PADI TecRec
A technical-first agency compared with the technical branch of the world's largest recreational training network.
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Technical Dive Centres in Australia
Why 'technical' is not one capability, and how to compare facilities service by service.
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Trimix
Helium in the breathing mix — and the gas logistics that determine whether a trip is possible.
Explore →Looking for a place or an operator?
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