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Articles in this section are geared toward technical diving, but can provide useful information to every diver. Articles about nitrox, mixed gasses, decompression, technical training, deep diving, how to, etc. are just a few of the many topics that can be found in this section.

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Drift Decompression Diving

by David Miner

Diver deploying a lift bag on a free ascent decompression drift dive

Standard drift diving is a specialized form of boat diving allowing you to drift with the underwater currents during your entire dive. The boat is never anchored or moored and follows the group of divers the entire time. The different types of drift diving are: float drift and live boat drift. Float drift diving involves the use of a float with a down line or drift line that is towed by the dive leader or divemaster and always lets the boat captain know where the group is. The boat captain follows the float on the surface. Live boat drift diving requires no drift line forcing the boat captain and crew to follow the divers’ bubbles as they drift along.

However, there are also sometimes strong currents on deeper wrecks or other dive sites where you don’t want to drift during the dive, but must drift during your decompression stops on the way to the surface. There are several forms of drift decompressing after the dive is complete, anchor line drift decompressing, float/buoy line decompressing, and free ascent decompressing. Whether drifting for the entire dive or diving a wreck and only drifting while decompressing, there are things to consider and special equipment needed to safely complete your decompressions stops and surface with the boat waiting to pick you up.

Keep Reading


  • it is recommended that a dive team diving from an anchored boat begin their dive
  • it is recommended that a dive team diving from an anchored boat begin their dive:

Obesity and Diving

by David Colvard, M.D.

Obesity is important in diving because of its relationship to fitness, the controversial risk of decompression illness, fit of wetsuit and weights, and coexisting diseases such as diabetes, hypertension and sleep apnea. So, how can the obese dive more safely? Let’s start with buoyancy and weight distribution.

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  • Does Obesity effect Scuba Diving

Deep Stops

We all remember from our open water training that a stop at 10 to 20 feet for three to five minutes is recommended before surfacing from every dive. You may have read or heard about “deep stops” or Plyle stops”.



To Go Tech or Not? Part I

Things to consider before going tech!
by David Miner

Double tanks or rebreathers are used very often in technical diving

Technical diving is a rapidly growing type of diving. Over the last 10 or so years, technical diving has become more mainstream, training agencies have implemented multiple technical certifications, and the diving community has accepted it as an important, safe, and fun type of diving. Today, equipment manufacturers, diving trade shows, and training agencies all promote technical diving.

There are many things to consider before jumping into technical diving. In this two-part article, we’ll be covering some of the most important things to consider before deciding if technical diving is for you.

What type of technical diving are you interested in?

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