Guides
Decompression Diving
When the option of a direct ascent is deliberately given up, and what that changes.
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.
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Search Australian dive sites, dive centres, regions, published guides, courses and definitions in one place. Filter by type to narrow your results.
59 results matching “Buoyancy”Read each page’s review status
Courses
Decompression Procedures
Planning and executing dives with a mandatory decompression obligation.
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Equipment Retailers
A dive shop and a dive centre are not always the same business.
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How to Plan Your First Australian Dive Trip
A practical sequence for choosing the region, season, operator, equipment and backup days for an Australian diving holiday.
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Learning to Dive
What entry-level scuba training actually involves, and how to judge a course before you book it.
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Learning to Dive: Tropical vs Temperate
Certifying in Cairns or in Melbourne produces different divers — here is how, and why it matters.
Explore →Safety guides
Lung overexpansion and breath-holding
Compressed gas expands as pressure falls, including during the shallow part of an ascent.
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Make the buddy check meaningful
A buddy check is a practical inspection and a conversation about how the equipment works.
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Marine life and injury prevention
Observe wildlife with enough space that neither the animal nor the diver needs to react defensively.
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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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Open Water Diver
The entry-level certification that allows independent recreational diving to around 18 metres.
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Open Water vs Advanced Open Water
What the second certification actually gives you, and whether it is worth taking straight away.
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PADI Advanced Open Water Diver
Try different types of diving with an instructor and develop experience beyond entry-level training.
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PADI Deep Diver
Develop planning and awareness for deeper recreational dives under appropriate instruction.
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PADI Open Water Diver
Build the knowledge and practical skills for your first scuba certification. Learning takes place through theory, confined-water practice and open-water training.
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PADI Open Water Scuba Instructor
Prepare for teaching through instructor development and the required evaluation process.
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PADI Rescue Diver
Develop awareness of problems, self-rescue, assistance and coordinated responses to diving emergencies.
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Rental scuba equipment: make the handover clear
Prepare an itemised rental conversation about sizing, models, instruction, concerns and returns before you arrive at the dive centre.
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Responsible Diving in Australian Marine Parks
A practical code for wildlife distance, anchoring, collecting, photography and local rules across protected Australian waters.
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Returning after a break
Return gradually enough to discover rusty skills in a supported setting.
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Saltwater and freshwater
Connect water density with buoyant force.
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Shark Diving in Australia
A practical guide to grey nurse sharks, whale sharks, wobbegongs and leopard sharks — including the regions, seasons and encounter styles that differ.
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Sidemount Diver
Carrying cylinders at your sides — redundancy, streamlining and access through restrictions.
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SSI Advanced Open Water Diver
Explore five specialty training dives, including deep diving and navigation, in SSI’s current programme.
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