Oxygen Sensing in Rebreather Diving

Reliable measurement of oxygen is the technology that makes mixed-gas closed-circuit rebreathers (CCRs) possible. The first digital solid-state CCR sensor was made available in Spring 2017, and has greater accuracy and reliability.

A diver photographs a temperature logger that is lodged into a coral

Hand Protection

Gloves are one of the most overlooked and individualized pieces of dive equipment. When choosing gloves, consider the kind of diving you plan to do and what you expect from your hand protection. When selecting gloves, consider the following factors: thermal protection, fit, dexterity, hazard protection, impact resistance and materials.

A diver wears tropical-weight gloves.

Air and a Spare

No matter which alternate air source you choose, learn to calculate your air consumption and regularly practice emergency procedures. There are many ways to configure each type of redundant breathing-gas supply, but make sure your setup matches your training, gear arrangement and dive objectives. If a naysayer thinks your equipment choice is unnecessary, let them know that the difference between a fatal accident and an embarrassing incident could come down to a breath or two. Any redundancy is better than none.

Scuba Cylinder Rundown

The 11-liter aluminum 80, aptly named for its 11-liter internal volume and 80-cubic-foot (2.3 cubic meter) capacity when filled to its 200 bar/3,000 PSI rated pressure, is by far the […]

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

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

Redefining Performance

Diver propulsion vehicles are a handy tool that can redefine a diver’s performance. Read more about these vehicles and how to choose one for you.

Female diver holds a yellow propulsion vehicle

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

Dive in the Fast Lane with DPVs

NEW AND IMPROVED TECHNOLOGY enters the dive industry every year. Divers of all experience levels can now utilize smaller, lighter, faster, quieter, and more reliable DPVs to make their diving safer and more enjoyable. 

Dive Knives and Cutting Devices

THE DIVE KNIFE IS AN ICONIC PART OF A SCUBA DIVER’S GEAR. Since the inception of diving as a recreational activity, the dive knife’s presence in a diver’s equipment has […]