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How to Ascend in Scuba Diving
Going slow You should always ascend slowly from a dive. This rule is as important as never holding your breath while scuba diving. Coming up in a controlled manner at…
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How to Choose a Buoyancy Compensator for Scuba Diving
Keeping buoyant In its simplest form, a buoyancy compensator, or BC, is merely a bag that you can put air into during the descent and let air out of as…
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How to Choose a Mask, Fin and Snorkel for Scuba Diving
The whale watching california take you to see the California Grey Whale (Eschrichtius robustus) is a whale that travels between feeding and breeding grounds yearly. It reaches a length of…
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How to Choose a Drysuit for Scuba Diving
Functions of a drysuit Drysuits are used in temperate climates where the water may not be very warm. The core function of a drysuit is to keep you dry. To…
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How to Choose Compressing Gases for Scuba Diving
Filling tanks It is possible to compress a lot of gas into a small space. The total mass of the gas remains the same, but the molecules are pushed closely…
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How to Choose Cylinders, Tanks and Bottles for Scuba Diving
What's in a name? Whatever you want to call them, cylinders, tanks or bottles are the transportable high-pressure vessels that contain the gas you are going to breathe. They can…
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How to Choose Hoods and Gloves for Scuba Diving
Head cover Our brains need a plentiful supply of blood to work properly but can't do so in the cold. Yet few of us have much naturally provided thermal insulation…
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How to Choose Regulators and Pressure Gauges for Scuba Diving
A typical regulator reduces the pressure of the air in the tank in two stages so that, at the mouthpiece, it exactly matches the pressure of the water surrounding it.…
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How to Choose the Right Wetsuit and Semi-Dry Suit for Scuba Diving
Why wear a suit? Water conducts heat 25 times more efficiently than air. That's why water is usually used to conduct heat in central heating systems. Your body makes heat…
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How to Choose Weights and Weightbelts for Scuba Diving
Weighed down Most people are naturally neutrally buoyant. With a normal relaxed lung volume, they neither float nor sink. If they take a deep breath, they will float. If they…
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How to Clear Your Ears in Scuba Diving
Ear problems Many people say that they cannot learn to dive because they get pain in their ears when they swim underwater. This is not surprising because if you don't…
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How to Conquer Your Fears in Scuba Diving
First fears When you first struggle into a wetsuit and strap on that heavy tank and those big weights, it's quite disconcerting. You could be forgiven for thinking you might…
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How to Control Your Buoyancy in Scuba Diving
Perfect weightlessness The art of diving is to achieve perfect weightlessness. This means having control of your buoyancy - to be neither floating up nor sinking down and to be…
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How to Gain Confidence in Scuba Diving
Practice, practice, practice If you want to be good at anything, you need to practise. It's the same with scuba diving. All the skills you first learn in the pool,…
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How to Handle Emergency in Scuba Diving
When you are diving, one accident or mistake can lead to another. This is sometimes known as the incident pit. If a small thing goes wrong and is not corrected,…
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How to Learn the Basic Theory on Scuba Diving
It's a pity that scuba diving is not simply a matter of swimming around underwater while breathing from an independent air supply. In the early days of the aqualung, some…
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How to Manage Risk in Scuba Diving
Risk management is your own responsibility. You've been told what conditions to expect; you know what equipment you have at your disposal; you know how much breathing gas you have…
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How to Practice Scuba Diving in the Pool
You should practise basic safety drills, such as clearing your mask and regulator mouthpiece, whenever you can. Both are essential skills, and a swimming pool is the ideal place to…
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How to Prepare Safety Equipments for Scuba Diving
Carrying a knife Divers use knives as tools for getting out of trouble. In the days when divers wore brass helmets and lead boots, a large brass-handled knife strapped to…
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How to Share the Air While Scuba Diving
In the early days of scuba diving, people practised sharing one regulator between two people. This was easy to perform in the pool but was probably responsible for a lot…