Let’s face it, the standard openwater certification has
its limitations. Unless you’re content gazing at moray eels
in a coral reef for the rest of your life, your options to
explore wrecks, enter caverns and dive deeper or longer
simply are severely limited. Today, courses like advanced
nitrox, extended range, advanced wreck, decompression
procedures, doubles training, and trimix are plentiful. It’s a
natural progression to open new doors and tackle new challenges
as long as they’re within your comfort zone, which
you can expand greatly with increased training. I’ve found
that whenever my diving zest ebbs, the remedy is a new
certification course.
Cavern and cave courses literally open up a new world
of diving. For closer looks at marine life without bubbles
getting in the way, take rebreather training. These courses
are more expensive than their openwater counterparts,
however, and require the purchase of dependable and topquality
equipment you must maintain.
Learning some technical skills is a good idea for any
serious diver. If you’re not interested in decompression
diving, consider taking a wreck diving course. This training
will teach you how to get safely inside the wrecks
where the real exploration begins. For the deeper wrecks,
get your advanced nitrox certification. You’ll learn how
to sling a decompression bottle on your BCD, and what
nitrox mix to use at what depth. A decompression “hang”
can be shortened immensely by using nitrox. The next
course is called “decompression procedures.” Other variations
to consider are, depending on the certifying agency,
“doubles training” and “extended range.” Trimix (basically
the addition of helium to further lessen the DCS risk) and
advanced trimix courses would complete the curriculum.
These courses cost between $400 and $1000, even more,
but your deep-water welfare is worth the expense.
Technical Diving International lists dive centers worldwide
that offer courses from Advanced Wreck to Trimix.
Go to www.tdisdi.com and click on “Find a Dive Center” to
locate those teaching a specific course in your area.
Charles Ballinger is the author of An American Underwater
Odyssey: 50 Dives in 50 States. His website is www.dive50states.