Tech diving is gaining popularity. We were so excited to see it here at Girls that ScubaHQ! There were a lot of questions, and we were nervous so we headed to Theresia Geller, a Blue Marlin instructor in Gili T. Lombok. She taught us the basics of twin sets and introduced us to technical diving. Here's what she taught:
Continue on to the Tec Sidemount Diver program. Here you'll learn additional skills, such switching deco cylinders, and stage and switch deco cylinders.
Technical diving is defined by being exposed at the ceiling, which prohibits the diver from reaching the surface at any time during the dive. This can be due either to a literal ceiling (a cave, wreck, or virtual ceiling) or a decompression obligation. In such cases, mandatory decompression stops are required on ascent for anyone who exceeds the NDL. This may require the use of special equipment (e.g. Twinsets, Sidemount, special gas mixtures, and more training are needed to perform those stops as well as other tasks on ascent. This will optimize Nitrogen offgassing.
The advantages of Sidemount diving are an additional independent air source as you are diving with two tanks each with a first stage, SPG, and regulator. This makes it a lot safer and gives little air-hogs like myself a whole lot more air. I also found diving with Sidemount to be incredibly comfortable because you can easily don tanks on the surface and there is no pressure on your back.
Sidemount Diver is one of the most challenging courses that I have ever completed. It was because Big Blue Tech, my trusted dive shop in Koh Tai, and Fiona my instructor included many more skills and dives to my course than necessary. Although we made sure my task load was manageable, we still practiced skills. These included tank removal underwater, mask removable, out-of air drills, SMB deployment, and many other things while maintaining (or trying to maintain) perfect trim.
While I still haven’t perfected this art, I am proud that after 20 Sidemount divers I can call myself a Sidemount Diver. It is the most comfortable way of diving!
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Gear – While the gear is fundamentally the same, divers in their introductory tech class (Intro to Tech, Sidemount or CCR Air diluent) will notice some fundamental configuration differences. Instead of 2 second stages on one cylinder they’re split between two, with a separate first stage on each. Gas planning becomes an in-depth thorough process and the harnesses seem to have more chrome.
If you (or your physician) have questions about medical fitness to dive, contact the experts at Sidemount PCB.
Consider continuing on to Tec Sidemount Diver course in which you’ll learn additional skills specific to tec diving in sidemount, such as staging and switching deco cylinders.
Learn our SSI technical sidemount diver course and get the opportunity to dive with four+ tanks (cylinders) for extended dives. The technical sidemount diver course is an excellent way to get yourself into technical diving as it will train you to handle multiple cylinders on a single dive. Learn also on configuring your sidemount gear and setting up a tec sidemount harness as well as adjusting the sling tanks (cylinders) on your body.
Scuba sidemount diving is very popular, even in open sea.
To register for the PADI Advanced Rebreather Diver course, you must first: You must be a PADI Open Water Diver, but you must also be a PADI Advanced Open Water Diver to become a PADI Advanced Rebreather Diver. Have at least 30 dives under your belt.
Have a PADI Deep Specialty Instructor certification or have completed a PADI Deep Specialty Instructor course. Have at least 100 logged dives, including at least 20 enriched air dives, 25 dives deeper than 18 meters/60 feet, and 15 dives deeper than 30 meters/100 feet. You can become a Tec 45 diver.
from 170 to 350 feet
While conventional scuba diving has a recommended maximum depth of 130 feet, technical divers may work at depths ranging from 170 feet to 350 feet, and sometimes even deeper.