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 […]