Author

Marcus Knight

Marcus Knight

Marcus Knight (aka “The Scuba Monkey”) first dived during the ‘90s and was bitten by the scuba bug. During the years that followed, Marcus became absorbed in diving and, today, is a Master Instructor for both PADI and SSI.

With over a decade as a professional diver, Marcus has lived and taught
scuba around the world, including Australia, Asia, the Mediterranean Sea and the wreck heaven of Scapa Flow in the Orkney Islands. Check out his website here.

Stories by Marcus
nitrox diving
New to Scuba Training

Nitrox Diving for Beginners

Nitrox diving has been increasing in popularity for more than two decades and is now ubiquitous. What is nitrox, and why use it?

by
dive log
In the Water Training

Training Fundamentals: Keeping a Dive Log

It’s a common debate among divers: to keep or not to keep a dive log. Do you log your dives? Why is (or isn’t) logging dives important?

by
skip a dive
Training

Training Fundamentals: When to Skip A Dive

Scuba diving is extremely safe when you’ve learned the right skills and have the right attitude. Part of that is knowing when to skip a dive. When and why would you do so?

by
in-water difficulties
In the Water Training

Training Fundamentals: Becoming a Better Divemaster

A divemaster qualification is usually the first step for a dive career. What are the qualities of a good divemaster?

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New stuff
single use plastic

Canada Bans Cetaceans in Captivity — and Single-Use Plastic

Good news coming out of Canada: the country has passed legislation to ban breeding or keeping cetaceans in captivity — and all single-use plastics by 2021
by Rebecca Strauss
Tobruk

Diving the ex-HMAS Tobruk in Queensland

Just when you thought scuba diving in Queensland couldn’t get any better, you've got to add the enormous ex-HMAS Tobruk to your bucket list.
by Guest Author
Rebreather Diving

The ABCs of Technical Diving: Q through T

Here’s the next in our series on the ABCs of technical diving, starting with Q for questions and ending with T for turn pressure.
by Yvonne Press
F.W. Abrams

Preserving America’s Underwater Battlefield: F.W. Abrams

This year, Scuba Diver Life and NOAA are partnering to profile 12 different ships in the Graveyard of the Atlantic. This month we visit the F.W. Abrams.
by Guest Author