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Brush up on your dive equipment theory section for the Science of Diving parts of the SSI professional courses. Learn more about the dive equipment you use

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Getting Your Weighting and Trim Right: A Guide for Better Diving

Good weighting and trim are the cornerstones of enjoyable diving. If you’ve ever found yourself fighting to stay down, drifting up...

00:10:40

What is My Dive Computer Screen Telling Me?

00:06:13

Steel vs Aluminium Tanks

00:05:48

How a Cylinder Visual Inspection is Performed

Getting Your Weighting and Trim Right: A Guide for Better Diving

Good weighting and trim are the cornerstones of enjoyable diving. If you’ve ever found yourself fighting to stay down, drifting up uncontrollably, or tilting feet-first through...

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00:10:40

What is My Dive Computer Screen Telling Me?

Understanding Your Dive Computer ScreenYour dive computer screen provides critical information that keeps you safe underwater. But what do all those numbers and symbols...

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00:06:13

Steel vs Aluminium Tanks

Find out the differences of steel vs aluminium tanks. What are the structural and weight differences in steel vs aluminium tanks? What are the...

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00:05:48

How a Cylinder Visual Inspection is Performed

A cylinder visual inspection needs to be carried out annually. Or according to local guidelines to ensure the cylinder is in working order. Watch...

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00:04:25

Scuba Diving Gauges

Scuba diving gauges allow a divers to check how much air they have in a tank. Scuba diving gauges come in various analog and...

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00:07:29

Lift Bag Use

Lift bag use is important when you wish to bring up an object heavier than 7kg. Learning how you rig and fill is the...

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00:06:34

Cold Water Regulators

Cold water regulators are regulators that have a few extra features on them that allow them to be safely used in much colder water....

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00:09:46

How do Burst Discs Work?

Burst discs prevent tanks from being overfilled and causing serious accidents. Divers learn tank filling safety but what prevents a tank from overfilling? Discover...

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00:09:46

Scuba Regulators

Find out about the function of scuba regulators and how they work. Explore the features of scuba regulators including: The first stage and the...

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00:05:22

Scuba Tanks

Explore the features of scuba tanks. Check the materials used to make scuba tanks. Discover the components and volumes of scuba tanks and potential...

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00:22:19

Choosing a Dive Computer

A good dive computer can be a great investment for a diver. A dive computer improves on the decompression model of dive tables by...

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00:05:15

Scuba Cylinder Markings- What Do They Mean

What do scuba cylinder markings mean? All the labels, numbers, and stamps are at the top of a scuba cylinder. Learn to decipher scuba...

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The Effects of Breathing Oxygen Under Pressure

What are the effects of breathing oxygen under pressure? Find out how the partial pressure of the mix in the air can affect you...

00:04:17

Learn about Buoyancy

Buoyancy affects anything that goes in water and whether it sinks or floats. Watch the video to find out more about buoyancy and why...

00:10:33

Partial Pressure Explained

00:15:46

How to Perfect Your Weighting for Scuba Diving! (1st Basic Principle of Scuba Diving)

00:06:33

Dry Suit Guide

00:07:32

Open Circuit vs Rebreathers