Breathe In, Breathe Out

A scuba regulator enables humans to breathe regularly. Get the basics on scuba regulators.

Diver in yellow fins floats above corals

Popping the Question: What is a DSMB?

SURFACE MARKER BUOYS (SMBS) AND DELAYED SURFACE MARKER BUOYS (DSMBS) are common and essential safety devices. These brightly colored, inflatable tubes, sometimes called safety sausages, are critical pieces of equipment […]

Alert Diver Q3 Dive Gear

Gear-Related Incidents

Faulty or improperly used gear can quickly change and impact a dive. Read gear-related dive incident reports and avoid these mistakes.

Woman in pink scuba gear swims near fish

Defining Performance

Do you know how to find the right pair of fins to fit your feet? Read our best tips on finding the right fins for you.

A person's legs, wearing red fins, stick out of tropical beach waters

Decompression, Stage, and Bailout Cylinders

DIFFERENT TERMS CAN SOMETIMES DESCRIBE the same piece of equipment in the dive industry. What some divers call a dive light, for example, others call a dive torch. They are physically identical, so the names are interchangeable …

dive industry equipment terminology confusion; dive industry equipment terminology confusion

Accessorize Your Dive

Quality dive accessories exist to make diving not only safer but also simpler and more enjoyable. Get tips and the inside scoop on the best dive accessories you didn’t know you needed.

Diver holds up a few accessories

Wetsuits

Wetsuits are a personal choice for every diver — do you know what to look for and what you need? It’s time to breakdown wetsuits with what you need to know.

Two divers peer through a coral structure while diving

The Dive Light: A Tool for All Divers

The dive light is essential equipment that can benefit all divers on most dives. There are several types of lights with various uses and a few key considerations you should make before purchasing. There is no one-size-fits-all approach to dive lights, so each diver must carefully consider their own goals and needs before deciding which model is most useful.

Lights are tools for all divers

Compressors

Do you fully understand the origins of breathing gas? Learn more about the art and science of producing breathing gas.

Man holds an oxygen tank

How Split Fins Work

Split fins work in a specific way that enables reduced drag and enables enhanced propulsion. Read more about split fins.

Close up of fins in water