TDI Diver News

The Sinking and First Dive of The Hailey Glasrud Reef

Martin County Artificial Reef Fund was set up several years ago to enhance the artificial reef program of Martin County. Their most recent deployment was the Hailey Glasrud, April 24, 2014, Stuart, FL. She sits in a perfect upright position in 186′ of water. The very uppermost spot is the main upper structure above the bridge at 103′ deep, and the deck level is 164′ deep


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15 yr-old Completes TDI Rebreather Certification

Being new to the tech diving world, the thought of diving a rebreather seemed very challenging. After diving open circuit for almost 4 years I did not have any idea what to expect. From all the standpoints I had heard, rebreather diving seemed very complex and hard to do, but TDI and Hollis made it a very simple process for me.


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Garage Days Revisited

So you’re planning on going diving this weekend and need to get your cylinders filled with nitrox. Imagine that you have a choice of getting that mix from one of only six dive centers in the United States. You can go to Long Island, New York; Gloucester City, New Jersey; Key Largo or Key West, Florida; Santa Cruz, California; or Bellingham, Washington to get those tanks filled. That’s right, back in the early days of technical diving we had a choice of six dive centers in the US that would fill our tanks with oxygen enriched air.


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Is Technical Diving for You?

Don’t knock it ‘til ya try it, right? Well, this also works the other way around when we’re deciding whether to pursue technical diving. Technical diving takes a specific mindset, skill level, and a substantial investment of both time and money; are you willing and able to meet these requirements? If you are unsure, there’s an option available to help you make up your mind before you fully commit yourself.


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Sidemount, the Fastest Growing Segment in Diving

So what is sidemount and why is it so popular? Simple answer really, it’s a new way to approach gear configuration to expand diving accessibility. That is not to say sidemount diving is actually all that new, but rather the techniques and the commercialization of the equipment are new.


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Grain at the Bottom of the Sea

by Cristiana Rollino and Maids Wallace (SDI/TDI Instructor 5280) Many thanks to Maids, a beginner in scuba diving, who has not only managed to translate this account in to English, but who has also understood my struggle in the world … Continue reading »


Is Cave CCR the Ultimate Challenge in Diving?

by Steve Lewis: As if cave diving isn’t challenging enough, how should we feel about adding a rebreather to the mix? When asked, which happens from time to time, I’ll explain to anyone who’ll listen that the easiest way to … Continue reading »


How to Switch your Diving Gas

By Michael Thornton and Josh Thornton Switching your diving gas in 8 easy steps Safe technical diving begins with awareness. The first step is being aware of yourself. As you gain experience and comfort you become aware of yourself and … Continue reading »


Choosing the Best Decompression Gas

By Jon Kieren There are many factors that need to be considered when choosing decompression gasses for a dive. The dive profile, logistics, environment/site conditions, and personal preference all come into play; how do these factors affect our decision? First, … Continue reading »


Calculating Gas Mixes, a Simplified Guide

By Steve Lewis When divers want to calculate, or in some cases are TOLD to calculate, the best nitrox and tri mixes for their dives, there are two major reasons for the task to be completed simply, and most importantly, … Continue reading »