What Is Decompression Sickness? A scuba diver during a wreck penetration dive.

What Is Decompression Sickness?

What is decompression sickness or DCS? In short, decompression sickness is getting sick when changing from a high-pressure environment to a lower pressure environment. Humans can safely...
This diver is pinching his nose and using the Toynbee Maneuver to equalize as he descends.

Using the Toynbee Maneuver to Equalize

Your body will need to adapt when you are subjected to different surrounding pressures. You will feel the pressure change in your ears as your middle ears...
2 scuba divers descending - how deep is 47 meters?

How Deep is 47 Meters – Can You Survive that Depth?

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How deep is 47 meters? Love it, or hate it, scuba divers have very different views of the fantasy movie, '47 Meters Down.' On one hand, it's great...
A blurry scuba diver underwater. Scuba diving and alcohol is a dangerous combination.

Scuba Diving and Drinking Alcohol – Why Not?

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Scuba diving and drinking alcohol is a no-no. But why and what are the risks involved? And can you drink alcohol after a dive? Scuba Diving and Drinking...
PADI Master Scuba Diver Vs Divemaster infographic

Master Scuba Diver vs Divemaster – Which Certification to Choose?

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Master Scuba Diver vs Divemaster. Both titles sound very cool as a diver. But what do they actually mean, and how do you receive the certification? Take...
NAUI vs PADI the key differences infographic

NAUI vs PADI – Which Agency Should I Choose?

New divers are often wondering whether to choose NAUI vs PADI when first starting out as a diver. There are many similarities between these two popular scuba...
Scuba Weight Calculator

Scuba Weight Calculator – Try It

As scuba instructors, the question we are asked most often by new and experienced divers is "how much weight do you think I need?" We then use...
scuba diver holding a camera

How do Scuba Divers go Up and Down?

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Scuba diving is best done underwater. To get underwater, we need to go down. Humans are quite buoyant which means we naturally will float on the surface....
Preventing mask squeeze on a scuba dive

How to Prevent Mask Squeeze

Have you ever come up from a dive with red markings around your face? It might be a mask squeeze. But why does it happen, and how?...
A diver taking a selfie underwater. We want to know mask clearing tips to use underwater.

Mask Clearing Tips – Mask Removal & Replacement

One of the most important skills, if not, the most important skill needed in scuba diving is knowing how to clear your mask underwater. Mask clearing is...

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