Two Tanks Are Better Than One: My Review of the PADI Sidemount Course

This post is brought to you by PADI as part of the PADI AmbassaDiver initiative. Read my latest ramblings on the PADI blog!

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I didn’t get to hit up many exciting dive destinations in 2016. While I absolutely did some very cool dives — in Thailand, Brazil, Jamaica, and Hawaii! — I didn’t go on any dedicated dive trips and didn’t find myself anywhere that was a bucket list diving destination. And so, as many of you know, I instead focused on keeping myself engaged and excited about diving by jumping headfirst into a trio of continuing education courses.

So, my fellow dive enthusiasts know that there is kind of a derogatory term in the scuba community which refers to someone who is obsessed with racking up specialty certifications — “card collectors.” Well, I’m saying loud and I’m saying it proud — I AM NOW OFFICIALLY A CERTIFIED CARD COLLECTOR. If I could take a PADI specialty in getting PADI specialities, I would probably enroll right now. I loved these courses. 

I kicked things off with the Self Reliant Diver course at Master Divers, then made my way to Ban’s for an Enriched Air certification, and finally rounded it out with a Sidemount Diver speciality at Sairee Cottage.

PADI Sidemount Diver Speciality

Diving with Sairee Cottage, Koh Tao, Thailand

So what is sidemount? It’s basically a new gear configuration — it simply means that you carry two tanks at your sides instead of one on your back. I’ll get into why you’d want to do that in a bit! Sidemount originated with sump diving in Europe, where pioneers realized sidemount allowed divers to keep a lower profile and remove one or both cylinders as needed to squeeze past restrictions in caves. The modern sidemount configuration mostly evolved into what it as today in Florida and The Yucatan. And now it’s spreading around the world.

My friend Gordon is a long-time PADI Instructor who got super pumped about sidemount after traveling to Egypt to continue his advanced tec training. He enthusiastically brought a set of the specialized gear back to Koh Tao and started singing the sidemount siren song! I’m so grateful that he did — I have to admit that not long ago, a sidemount course wouldn’t even begin to get my attention. Tec related courses are kind of intimidating to me, and I just didn’t get what the point of sidemount was. But after a year or so of watching so many of my close diving friends take his course and rave about it, I just had to join the club and see what all the fuss was about. And it turns out I really had nothing to be intimidated by — it was the simplest of the three courses I took in 2016 and required only an Open Water Certification and twenty logged dives to start.

You have two choices when it comes to sidemount training — the PADI Sidemount Diver course introduces divers to sidemount techniques for recreational scuba diving, while the Tec Sidemount Diver course teaches technical divers how to mount at least four tanks for their technical diving adventures. I enrolled in the former.

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

One of the best things about my little continuing education experiment here on Koh Tao was finding a new dive shop that was the perfect fit for me. I get asked for advice on this constantly and I now have a much wider range of personalized recommendations to dole out. While I had excellent experiences at all three of the dive shops I studied at, it’s Sairee Cottage that has become my go-to for fun diving with friends ever since.

For me, it’s the perfect size — not so big that you get lost in the mix, but still buzzing enough that there’s always someone to grab a coconut with at the swim-up bar after a dive. What’s that? I should have just opened with the swim up bar? Tell me about it! Between the fabulous pool, the coolest classrooms on the island, and a great team of instructors and divemasters — many of whom are my close friends! — I know where I’d sign up to do my Open Water if I was doing it all over again.

Diving with Sairee Cottage, Koh Tao, Thailand

Diving with Sairee Cottage, Koh Tao, Thailand

PADI Sidemount Diver Speciality

The PADI Sidemount speciality consists of one confined and three open water dives. For Gordon and I, that translated to one pool session, one shore dive from the beach right in front of the dive shop, and two open water boat dives that we checked off on a super fun trip to Sail Rock!

It also consisted of coursework from the PADI Sidemount and Tec Sidemount Diver Manual — section one pertains to PADI Sidemount Diver, while two and three are for Tec Sidemount Diver. I carefully read section one of the manual, completing quizzes along the way, and wrapping up with a knowledge review to ensure I’d absorbed the information. Of my trio of courses it it was the least time in the classroom, as there isn’t really any complicated dive theory behind sidemount.

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Instead, the primary focuses of the course were learning a new equipment setup, perfecting “trim” (your underwater body position and posture) and practicing “back-finning” (swimming backwards using just your feet and fins), learning gas management, and practicing emergency procedures. When I first jumped in that pool with this strange new gear setup I had a flashback to trying drysuit diving for the first (and only!) time in Iceland. After being a certified diver for eight years a lot of my dive routine is on autopilot, but not on these days! My whole body was like, whoa, what is this crazy thing we are doing! If you need to be shaken out of a dive routine — this is one way to do it.

I actually found the perfect trim and backfinning focus to be among the most challenging and the most interesting of the course takeaways, considering those are both important skills that can be used on any dive. Your trim underwater is as important as your posture on land, and though back-finning is primarily of interest to cave divers who need to be able to negotiate tight spaces, it is also a fabulous skill for underwater photographers and videographers who need to nail the perfect composition, too.

After a long day in the pool and digging into my manual and another day putting our skills into practice with a sixty minute shore dive, Gordon and I were joined by several of our friends for the final day of our course on Sairee Cottage’s popular weekly trip to Sail Rock, where I’d really get the chance to put the pieces of the course together and see how I felt about this whole sidemount situation once and for all.

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

I was absolutely thrilled to be out on the water and surrounded by so many of my favorite people. The Sail Rock trips typically consist of two dives at Sail Rock followed by a third back closer to Koh Tao. Because diving sidemount gives you double the air, you can have a significantly longer dive time — so we decided to do one big long dive instead of two shorter ones.

Our friend Brian joined Gordon and I on sidemount, and so while a big group of us all kicked off the dive together, when the single-tank crew surfaced the three of us on sidemount were able to stay down and complete one super-long dive instead of popping up, taking off gear, having a surface interval, putting gear back on and descending a second time.

We set a goal of a 100 minute dive time — crazy, right?! — and while I admit I was getting a tad chilly towards the end, it was a pretty fun milestone to cross. Over and hour and a half kicking it with these amazing underwater critters? Who wouldn’t love that!

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

PADI Sidemount Diver Speciality

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Becoming a PADI Sidemount Scuba Diver

Diving on Koh Tao, Thailand

Becoming a PADI Sidemount Scuba Diver

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

After our amazing underwater marathon at Sail Rock we took it easy and did a typical 45-minute dive at the third site for the day, my beloved Shark Island. It was a beautiful dive and the perfect note to end the course on.

Diving on Koh Tao, Thailand

Diving with Sairee Cottage, Koh Tao, Thailand

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Diving on Koh Tao, Thailand

Diving with Sairee Cottage, Koh Tao, Thailand

Well, that and the swim up bar drinks we had when we were back on dry land!

Diving with Sairee Cottage, Koh Tao, Thailand

Diving with Sairee Cottage, Koh Tao, Thailand

Diving with Sairee Cottage, Koh Tao, Thailand

So after three days and many, many hours underwater, I definitely got a feel for what all the fuss is about when it comes to sidemount. The benefits are actually major — increased air supply (which increases dive time), accessibility of all stages and gauges (as they are under your arm instead of on your back), self reliance in out-of-air situation,a more streamlined underwater profile, easier equipment transport (two small cylinders vs one big), and versatility (it’s great for those with physical challenges that make a traditional setup tough).

What are the drawbacks? Well, you do have to switch between tanks throughout the dive, which make it a more complex gas management system. Also, since sidemount is still fairly rare, you’re unlikely to find a buddy who’s familiar with the equipment unless you BYODB (Bring Your Own Dive Buddy, duh). But mostly, it’s just plain cost.

Want more underwater? Read more diving posts here!

Becoming a PADI Sidemount Scuba Diverportrait by my friend Paddy of Peach Snaps

Personally, I loved the sidemount configuration. As a 5’1″ woman, I often struggle with the traditional tank-on-the-back setup. Between the system of attaching weights to the tanks and getting the tanks off my back and under my arms, the lower back pain that normally plagues me after a day of diving was completely non-existant! And with slightly smaller cylinders, I’d have even more mobility both above and below the surface. I greatly look forward to sidemount configurations becoming more widely available as I personally would be thrilled to dive this way more often.

I had a blast with this course. Between our hundred minute dive record, the skills I learned, the amazing day I shared with my friends and the absolute badass I felt like underwater, it was not a course I’ll forgot anytime soon. There are only a few schools on Koh Tao currently offering the PADI Sidemount Diver speciality. The course generally lasts 2-3 days and costs 12,000B. I can’t recommend it — or Sairee Cottage — more highly.

Divers, would you consider a PADI Sidemount speciality?

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All underwater photos in this post were taken with the Canon PowerShot G7X and its Canon Waterproof Housing. See a full list of my photography gear here.

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Pin It!

Becoming a PADI Sidemount Scuba Diver

Learning to Scuba Dive Sidemount

 

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