Building Better Balance

DIVING TAKES PLACE in an environment that is dynamic both in and out of the water. Challenging and changing situations can happen even while traveling to a dive site. Balance […]

High-Pressure Hoses

PEOPLE WHO HAVE FILLED scuba cylinders, refilled oxygen cylinders, or boosted a gas mix are familiar with using flexible hoses. Some hoses are covered with a durable rubber or thermoplastic […]

A Hole in My Heart

I HAVE BEEN A CERTIFIED DIVER since 1986 and have logged hundreds of recreational and technical dives. Since 2014 I have primarily been doing technical rebreather diving with a close […]

Iceland

Uncover the mysteries beneath the sea in Iceland, with a look at the Strýtan pinnacle and its fascinating hydrothermal activity.

Laryngospasm and Anxiety

Q: During dive training in the pool, I couldn’t breathe after clearing my mask with my regulator in my mouth. After surfacing, I took six to eight wheezing breaths and then […]

Chasing Weeds

How many times have you noticed the line of weeds out of the corner of your eye and driven past, around, or through it without a second glance on your […]

Low-Visibility Diving

WEATHER, SILTY SEDIMENT, time of day, or water movement are just a few natural factors among the range of possible causes that can influence the visibility at your dive site. […]

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 […]

Not Only for Diving

WHILE DAN’S SUITE OF EDUCATIONAL PROGRAMS focus primarily on diving, graduates of the courses can apply the skills and knowledge they learned to many circumstances outside the aquatic realm. My […]

Florida Keys History Underwater

Unearth the compelling Florida Keys history underwater through diving and exploration of submerged historical sites and marine species.