confined open water
10.03.2017 by ricardo

Try dives should not only be performed in swimming pools but also in protected bays or other confined open water. By doing so, diving beginners are ensured that they have ...

Quick Release System
09.03.2017 by ricardo

The so-called quick release system is a component of your weight belt. In emergency situations, you can drop it with just one hand movement. When should I use the ...

Quick exhaust and relief Valve
09.03.2017 by ricardo

All compensation means, as for example your buoyancy compensation jacket, are equipped with a so-called quick exhaust valve. Thus in case of emergency you can let out the ...

Oxygen Poisoning scuba diving
09.03.2017 by ricardo

An Oxygen Poisoning happens when you breathe in a gas mixture with an oxygen pressure of more than 1.7 bar for a long time. In comparison: The normal ...

Roll Water Entry Scuba Diving
09.03.2017 by ricardo

A roll is a possibility to get into water as a diver. This possibility is often used when you descend from a boat or low quays. How does the ...

flying and diving
09.03.2017 by ricardo

The term residual nitrogen designates the nitrogen which can still be released into your body tissue even many hours after a dive. The procedure is also known as ...

compressed air cylinders
08.03.2017 by ricardo

The normal ambient pressure amounts to about 1 bar. Air, which has a higher pressure, is called compressed air. When diving, it is often used in the compressed ...

08.03.2017 by ricardo

The so-called pendulum breathing occurs when you use a snorkel that is too long. Then a part of the air you breathed out remains in the snorkel and ...

o-rings
08.03.2017 by ricardo

Like the name already says the O-Ring is a ring-shaped seal. This is often made of plastic, rubber or   silicone. Depending on the material, the hardness of the seal differs (shore ...

emergency ascend
08.03.2017 by ricardo

When an accident happens under water or your regulator fails, you must get back to surface quickly and safely. In order to do so, you should arrange for ...

spare air
08.03.2017 by ricardo

Even if nobody wishes this to happen: Emergency situations during a dive where your regulator fails.  An emergency inhaler is intended exactly for such cases (e.g. icing of ...

nitrox diving tanks
08.03.2017 by ricardo

Nitrox (also called Enriched Air) is a mixture of gases, which you can use for scuba diving. In comparison to “normal” breathing air, this mixture has a higher ...

neutral buoyancy scuba diving
07.03.2017 by ricardo

Neutral Buoyancy is a state when diving, which consists of the balance between the upthrust and downthrust of the diver. Thus you float in water without exertion. In ...

neoprene wetsuits
07.03.2017 by ricardo

Neoprene is the most popular material for diving suits. Thereby, the material is a type of artificial, foamed rubber, which was developed in the USA in the 1930s. ...

semi dry wetsuit
07.03.2017 by ricardo

A wetsuit gets its name from the fact that in comparison to the dry suit or semi-dry suit, water does seep into the suit. This is even desired, since ...