Author

Thomas Gronfeldt

Writer

Thomas started diving during college and has since been diving over most of the world: Australia, Indonesia, Iceland, France, and many other places. He is a NAUI instructor and a commercial diver, and participates in environmental and archeological diving projects around the world.

Stories by Thomas
Surface Signaling for Scuba Divers
Training In the Water

Surface Signaling for Scuba Divers

Getting someone’s attention underwater is a crucial safety skill. Here’s a roundup of the most common surface signaling for scuba divers.

by
new cressi gear
Reviews News In the Water

Top New Cressi Gear for 2017

Spring is here, and with it comes dive season for many of us. Top gear manufacturer Cressi has a ton of new offerings, and we’re highlighting six of the best.

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underwater drones
In the Water

Top Five Underwater Drones

By now most of us have seen cool aerial drones, but what about units that work underwater? Here are our picks for the top five underwater drones.

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dive computer
Training Reviews In the Water

Which Dive Computer is Right for You?

There are more and more choices every day, but how do you know which dive computer is right for you?

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New stuff
Action Camera for Divers

The World’s First Action Camera for Divers

Designed with the help of divers, for divers, the Paralenz Dive Camera is a compact, tough camera with some ground-breaking new features.
by News Release
Ray Mutilation

Locals Take a Stand over Ray Mutilation and Slaughter

Local divers and ocean lovers in Melbourne, Australia have started a campaign in Port Phillip Bay to put a stop to illegal ray mutilation and slaughter.
by Guest Author
Best Diving in New Caledonia

Best Diving in New Caledonia

Tiny New Caledonia, in the South Pacific between Brisbane, Australia and Fiji, is a diver’s paradise. Here’s a peek at the best diving in New Caledonia.
by Kathryn Curzon
frogfish

Marine Species: Frogfish

A diver and photographer favorite, frogfish have a reputation of being hard to find. What’s the best way to spot one of these distinctive fish on a dive?
by Hélène Reynaud