Naked Dive 100

The 100th Dive

Posted on Leave a commentPosted in Further Education, Professional Diving, Uncategorised

Well trained divers are always encouraged to log their dives.  In addition to keeping track of the interesting marine life you see, it also helps you keep track of personal bests and new milestones.  From deepest dive to longest dive, you will see your number of dives increase.  One significant such milestone is your 100th dive.

To celebrate this momentous milestone, it is a long running tradition to do your 100th dive naked.  Scuba diving is  an equipment intensive sport, so lets clarify what naked means.  Of course you will require the Scuba unit (BC, Tank, Regulator), mask and fins.  Wet suits, and of course swim wear, are against the rules however.  Here we will give you some tips and advice for a fun, memorable and safe 100th dive.


Christopher McCandless, immortalised in the book and film Into the Wild, said “Happiness is only real when shared“.  A naked dive is much more fun if you have other naked divers to enjoy it with.  Many divers hit their 100th dive during or soon after their Divemaster course, so get your fellow divemaster trainees involved.  This does require a little bit of planning as you don’t ideally want to be assisting students on an Open Water Course when you are naked.

Naked Robyn 100


Unless you are a true exhibitionist at heart, you probably won’t want to be naked for the boat trip to the dive site, or even the walk along the beach if it’s a shore dive.  You also need to consider your choice of dive site.  If you are diving in a location with an abundance of divers you might want to choose one of the less visited sites.  Visiting a busy dive site you might find your naked body is showing up on the Open Water course videos shot by videographers at many of the bigger dive schools. If you are really shy then you may even opt of a night dive but this is considered by most as cheating.

Most divers on their 100th dive tend to enter the water with swim wear, and then remove it before descending.  Make sure you have a secure BC pocket to keep your swim wear in.  Watch out for worn out velcro or holes in pockets, otherwise you might have return to the dive shop naked too.

Sea Lice

The ocean is full of various stingy things, it could be sea lice, or small jelly fish.  Their nematocysts (stinging cells), which don’t affect your normally exposed skin, will be far more noticeable on your nether-regions.  This may come as a shock at first, but shouldn’t be too serious so you can continue with the dive.

Finning Technique

When a new diver begins diving they will start by learning the flutter kick.  As they become a more advanced diver they will become proficient in other techniques.  One such technique is the frog kick.  You can probably visualise what it would be like to follow behind a naked diver doing the frog kick, so bear this in mind as you traverse the dive site.


Air Consumption

On my 100th dive, I was with 4 other guys.  We swam around a very busy dive site in single file, (Chumphon Pinnacle at Koh Tao).  Whenever we passed another group of divers you would see them do a double take, and then massive cloud of bubbles erupting from their regs as they began laughing.  You will find yourself laughing a lot too which will cause you to use up your air much faster.  So be prepared for a shorter than normal dive.

Stay Safe

You will of course be having a great time, diving around naked with your naked friends, but its important to remember to dive safe.  Don’t let the all the naked body parts around you distract you from the things you have to be checking.  Keep an eye on your air.  Don’t forget your No Decompression Limits.  And remember to do a naked safety stop at 5 meters for 3 to 5 minutes.


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Aquacat Kevin having a Beer

Gili Islands- Paradise for Divers who Love Cats

Posted on Leave a commentPosted in Cats, Island Life, Uncategorised

Most divers dive because they love the underwater life.  Like an extreme form of stamp collecting divers will travel the world to see rare an exotic creatures.  But there is something a bit special about the life you find at the surface of the Gili Islands.  The place is littered with cats.  And yes I don't mean catfish, I mean cats, as in Felis Catus.

Cat History

The story goes that when people first settled the Gili Islands, cats came with them.  The cats quickly became resident on the island and started to reproduce.  Reproduction of cats on an island with no natural predator gets out of control quickly.  Speaking of predators, an interesting fact about the Gili Islands is that there are no dogs on the islands, which makes it a pretty sweet place if you're a cat.  This is where we have to dispel our first myth, as the cat and the dog are not, as some think, arch enemies.  It's just that they don't get on.  It all stems from back in their student days when the cat and the dog shared a flat in Brixton.

One night the cat and the dog hired a video, if memory serves correctly I believe it was Jaws 3.  The cat had promised to return the video to the shop the next day, but being a cat he spent the day lazing on the couch and forgot.  Now the result of this story is that having taken the video back late, the dog incurred a £1 fine.  And the rest is history.

Special Cats

Gili Trawangan is a paradise for Divers and Cats alike, and they live together in harmony.  Now the cats on the Gili Islands are a little bit "special".  The cat community is mostly a closed one, the strong currents in the gulf of Lombok make it difficult for our feline friends to swim to other islands, and their lack of opposable thumbs make starting an outboard motor impossible.  This has lead to a lack of genetic diversity and it's not uncommon to see a cat whose mother is also their half sister, cousin and potential future cat-wife.  You can see this manifested in the very interesting tails our cats have.

Some cats have almost no tail, just a little lump, while others have half a tail, which might have a twist or curl in it.  The second myth I have to dispel is that Cat Tail Soup is not served here.  That's just something we tell the tourists to pass the surface interval between dives.   The most uncommon sight on the islands is a cat with a full tail, but there are some around.  Whatever type of tail they have (or don't have) our cats are extremely friendly.  Growing up on an island with so many people around the cats tend to be well socialised.  At Aquaddiction we have 4 Aquacats we regularly feed, but there are plenty of others who come by occasionally for a snack.Cats of Gili

Cats of Gili

To keep the cat population under control we are very lucky to have an charity called Cats of Gili.  This volunteer, community funded organisation helps our feline friends by regularly holding clinics.  At the clinics they spay and neuter our cats to keep the population under control.  They also supply us with medicine to help our cats out when they get worms or fleas.  Part of this funding comes from the 50,000 IDR Gili Eco Tax which is collected by Dive Shops from new divers.

When you are visiting Gili Trawangan I'd recommend stopping by the Cats of Gili shop.  They have a great selection of T-shirts, bags and other awesome cat related souvenirs. And don't forget to give some of the cats you see a stroke when you pass them on the street.

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The Difference Between SSI & PADI

Posted on Leave a commentPosted in Beginner Diving, Uncategorised

If you are planning on becoming a diver and looking around at different dive shops, you will probably be wondering what the difference is between taking an SSI or a PADI Open Water Course.  In this article I will explain the differences between the two.

What is a Diver Certification Agency?

A Diver Certification Agency is basically responsible for creating diving courses, and then certifying divers who complete those courses.  By certifying a diver, an Instructor is guaranteeing that diver has not only completed the course, but reached a predefined level of proficiency.  There are currently more than 150 recreational diver certification agencies, of which SSI and PADI certify the majority of divers.

Many of these agencies, SSI and PADI included, are members of the World Recreational Scuba Training Council (WRSTC).  The WRSTC defines the minimum standards which its members must comply with and this is what defines the baseline of courses.  These standards include; academic course content, skills to be performed, minimum ages for students , maximum number of students per instructor and maximum depths.  As such you will find that courses from WRSTC cover much of the same content, but it will be taught differently.  It is these differences I will be aiming to cover in this article.

Signing Up for a Course – Begin Your Study

Different Dive Centres affiliate themselves with different agencies.  As an Instructor has to invest time and money to become certified to teach for a particular agency, most Instructors only teach for one agency.  There are some instructors who have been certified to teach courses for multiple agencies and you may well find some Dive Centres who therefore offer both SSI and PADI courses.

When you sign up for a course, the first thing you will have to do is complete some home study.  This is where we notice the first differences.  With a PADI Open Water course most Dive Centres will give you a book to read, multiples choice questions to answer (Knowledge Reviews), and a few hours of videos to watch.  PADI has a rule that students have to own their training material.  You may have to buy a book and carry it around (not great if you are backpacking).  Many dive centres now have library copies of books that they lend to the student.  In this case they then provide an electronic copy as well.

PADI E-Learning

If you want to begin your study with PADI before you go on holiday to learn diving, there are a couple of options.  PADI e-learning provides you with the academic material via Adobe Flash.  The big problem here is that Flash is quite a dated technology which has now been largely replaced in most areas by HTML5.  This means that the e-learning course most likely won’t work on your mobile device.  It can only be accessed on a laptop, and then only when you are online.

PADI Touch

The other option is PADI Touch.  This is PADI’s digital training manual which is provided via the PADI Library mobile app.  This is more up to date than the old flash based e-learning.  The first problem with this is that it only works on Android and iOS, so if you have a Windows phone or tablet you are out of luck.  If you buy the Touch option it won’t work on youPADI Touchr Windows, MacOS or Linux laptop either.  Looking on the Google Play store, PADI Library only scores 3.6 out of 5 stars with many of the comments complaining the application is very buggy.  Being able to read the course offline is a major advantage of the PADI Library App.

If you do choose to do the online training you will find it costing significantly more than signing up at your dive shop and buying a book.  Current cost for both PADI e-learning and Touch is $196.  Here on Gili Trawangan an Open Water course currently costs 5,500,000 IDR.  If you have already bought a PADI e-learning or Touch course then you can get the course for 4,900,000 IDR.  So you save 600,000 IDR ($45).  Add this to the price of the e-learning or Touch course and it doesn’t look very cheap.  The combined cost of the online training plus the discounted course on Gili is $563 which makes it $151 more expensive to do a PADI course with e-learning or Touch!

Digital Learning, Real Diving

Signing up for an SSI course is slightly different.  SSI launched their current course in 2015 under the catchphrase “Digital Learning, Real Diving”.  You can probably tell from that they are really pushing the online aspect of training.  The problem here is that many dive centres have been slow to adopt the new course and over a year later I have witnessed some shops still using out of date books and exams.  So it’s very important to make sure the Dive Centre you choose is teaching the digital training course.

SSI have really taken advantage of the power of technology with their latest course.  It is all based on HTML5 so it will work on any device with a web browser.  To access this you will need an internet connection, which can be a problem on tropical islands.  To solve that, SSI have something called the SSI Hub.  The Hub is a small battery powered device which stores all of the online courses inside it.  Users can connect their mobile device to it and download the course into their phone so it is available offline.  No internet connection, no power, no problem.  To use the Hub you need the SSI App, which like the PADI Library app is available on Android and iOS.

Digital Learning, Same PriceSSI Digital Learning

SSI have made their digital training available to you at no extra cost.  There is also a book of the new course which is the same course but on paper.  There are no embedded videos with the book so SSI also provide a video so if someone was unable to do the digital training they can still use a book and videos.  Another difference here is SSI don’t force the student to purchase the book.

For students who want to start their training before going on holiday, they can sign up for the Scuba Diver course at for free.  This course is the first 3 chapters of the Open Water Course.  For the last 3 chapters the Dive Centre has to register the student for the Open Water course, at a fee to be determined by the dive centre.  But at the time of writing this only costs the Dive Centre $38 and includes the certification fee.  This means an SSI Open Water course with digital learning before arriving is only 5,500,000 IDR ($412), so no additional cost over signing up at the shop!

Completing the Academics

A big difference between SSI and PADI is how they choose to teach their courses.  PADI use prescriptive training.  This means that students, read the book, watch the videos, answer knowledge reviews and then complete a test.  The only intervention from the Instructor during this is to correct any questions the student answered incorrectly and ensure the student understands the correct answer.  SSI is significantly different in this regard.

The SSI Open Water Course includes 6 academic sessions.  This is where an Instructor can actually teach the academic portion of the course.  SSI provide a powerpoint presentation that the instructor can use to talk the student through all the topics to be covered.  Being able to explain the principles of diving, in an interactive situation is a guaranteed way to ensure the students understand the concepts.  If a student it confused by an explanation they can simply stop the instructor and ask questions.  Instructors can also see when students look confused or are falling asleep and engage with them directly.  This is not possible in PADI where the students are watching a DVD.


PADI students who have bought the e-learning course are also able to do the exam online.  The first problem with this is that they are doing the exam before having any interaction with an instructor, so it has been entirely self study. Also by doing the exam at home it would be very easy to cheat.  A couple of minutes with google are all that you require to find the answers to the PADI exam.  SSI students on the other hand will have completed academic sessions with their instructor before sitting the exam.  With SSI, you will sit your exam in the presence of an instructor, so no cheating.

In The WaterOpen Water Diver

The first in water training is confined training which is done in a pool or in pool like conditions.  SSI and PADI define a list of skills which must be completed before a student can progress to the Open Water.  PADI’s major difference here is that they specify groups of skills and you must complete them in a specific order. The problem here could be if a student is struggling with a skill, they cannot progress to the next group of skills until they complete it.  This can be very demoralising for a student with difficulties, and will put them under pressure if none of the group can progress until they master one particular skill .  With SSI the instructor is able to decide on the most appropriate order for skills.

A Different Approach

This allows an SSI instructor to move on and then return to the problem skill later, perhaps once they are more comfortable in the water.  Instructors usually teach Open Water courses to a group of students.   With an SSI course the instructor could finish the confined training with the group, and then keep the student with the problem in the pool for some extra one on one coaching after everyone else is done.

Another problem with the strict ordering of PADI skills is that it often results in instructors feeling they have to break the rules in order to get students through the training.  PADI also require you to complete certain skills on particular dives.  The Open Water course normally includes 4 dives, but if a student had a problem with a skill on a dive, they would have to repeat that dive, at additional cost.  For an SSI student, they could get some additional coaching and repeat the skill on the next dive.

Emergency Ascents

Probably the major difference between the skills taught on SSI and PADI is the emergency ascents.  The PADI course teaches the Control Emergency Swimming Ascent (CESA).  This is done horizontally in confined training, and vertically in the Open Water from a depth of 6 – 9 meters. Instructors are always vocal about how much they dislike the CESA.  CESAs involve fast ascents and the instructor has take each student individually.  This could mean the instructor making 6 rapid ascents in a short space of time.  For instructors who are diving everyday and have nitrogen absorbed in their bodies, these rapid ascents are potentially dangerous as they can bring on Decompression Sickness.  PADI training materials also mention a Buoyant Ascent, but you won’t find it in the Instructor manual, so its not taught to students.

You will learn both an Emergency Swimming Ascent (ESA) and an Emergency Buoyant Ascent (EBA) with SSI.  These are taught vertically in the pool, but performing in the Open Water is at the instructors discretion, which means that most instructors do not do it and feel that teaching it in confined water is sufficient.  This increases safety for both instructors and students.  The fact that an Emergency Buoyant Ascent is taught in confined is also a great advantage to students as they get to practice this with the instructor.

Certification Time

AfOpen Water Studentster a student has completed all their training to a satisfactory level its time for the Instructor to certify them.  This is where they report their details to the certification agency who issues their Open Water certificate.  In the PADI system you are issued with a temporary card.  You will receive your physical card in the post (usually takes few weeks).  If the diver wants a digital card then they need to pay $35 for it.  Dive shops can search for a divers record online if the diver forgets their card.  With PADI this requires a PADI login to check.  So only PADI professionals who have paid their renewal fee can verify a diver.  This isn’t much use if you want to dive at a dive shop without any PADI professionals working there.

With SSI, when a diver is certified, their digital card is immediately issued to them at no extra charge.  You can use a mobile device, or any device with a web browser to view these D-cards.  The dive shop can print their physical card immediately if they want to have a physical card.  To check a divers SSI certification, anyone can put their details into the website to see their card.  If an SSI diver forgets their card, any dive shop can verify them.

Course Updates

As I said in the introduction, it is the certification agency’s responsibility to create the diving courses.  Diving is constantly evolving.  We are still learning about how our bodies are affected by diving and equipment manufacturers are always advancing their gear.  So it is also the certification agencies responsibility to keep their courses up to date.  In order to update the old systems, new books would need to be printed and bought.  The great thing about online training is that updates can be made instantly and everyone can benefit immediately.

Since the SSI Open Water Digital Learning course was released there have been several subtle updates.  The SSI exams have also received several updates over the last 2 years.  The PADI exams have to be purchased by the Instructors so they are only updated every few years.  The nature of the PADI digital courses and the book mean that they also receive updates far less often than the SSI courses.

Maximum Ascent Rates

One very significant difference in standards between PADI and SSI is the maximum ascent rate.  PADI quote a maximum ascent rate of 18 meters per minute.  SSI give a much more conservative 9 meters per minute.  Modern dive computers agree with the SSI maximum and will show anything faster as too fast.  Enforcing a slower ascent rate helps to reduce the chances of decompression sickness.

Dive Planning

SSI now teach that the only safe way to plan your dives is with a Dive Computer.  PADI still give the option to teach Dive Tables.  All professional divers dive with a computer and any serious recreational diver will own a computer.  It makes sense therefore to teach divers how to use a computer from Dive 1.  On an SSI Open Water course they will learn all the features of a dive computer.  Giving PADI instructors the option to still teach tables makes it very tempting for Dive Centres to save money by not purchasing enough computers for all their students.

The Price

PADI has higher certification fees than SSI.  This means that some places in the world you will see courses price slightly more expensive than SSI courses.  For the Dive Centre the membership fees are also higher with PADI and this has caused many Dive Centres to switch their affiliation from PADI to SSI.  For the majority of new dive centres, the low erprice makes SSI a very attractive option.  We are now seeing many more SSI dive shops opening up.  Despite the fact that there are still more PADI dive centres than SSI, we could see this change over the next few years.

In Conclusion

It seems clear that the SSI Open Water course offers several advantages over the PADI course.  My advice to anyone taking any Open Water course would be to ask a few questions before enrolling.  Ensure that they are teaching the latest version of the course.  With the SSI digital course you know you always have the latest version.  When writing the exam, make sure it is also the latest version.  SSI exams always have the date of release at the bottom and their have been several revisions this year. Look for a dive shop which teaches you how to use a Dive Computer on the course.

Both PADI and SSI are large very reputable agencies so you can be guaranteed a high quality course.  Whichever course you do take, the most important things is to have a good instructor, as they are the key to making good divers.



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New Open water diver

How I became an Open Water Diver

Posted on Leave a commentPosted in Beginner Diving, Uncategorised

The Open Water Course is the first step in your diving career. That sounds pretty definitive, especially if you already have a career. But beware, as taking your Open Water could take your life in a whole different direction!

For me it started with a trip to Thailand back in 2005. I had landed a pretty awesome position on a graduate training scheme back in the UK but had a few months to kill before it started.  So I loaded up my backpack and headed east.


Backpacking through Asia was quite an experience at the time, filled with new experiences and a decent amount of cheap Thai whisky. Everything you would have expected was there, riding elephants, trekking to waterfalls in the jungle, riding mopeds and beautiful tropical islands with white sandy beaches. One of those islands was Koh Phangan, famous as the location of the Full Moon Party. It was this party which drew me to the island, and like any backpacker worth his salt back in the days before Free Wifi, I followed the advice of my Lonely Planet guidebook. I arrived 5 days early for the full moon party so as to be assured decent accommodation, and I quickly found a hut on the beach for the equivalent of $3 per night.

With several days to kill before even the warm up for the Full Moon Party began, I found myself wandering the streets looking for things to do. After having watched The Beach several times, and had more than enough Chang beer, I found myself curiously looking upon a dive shop.

The Dive Shop

“Alright mate, want to go diving” came the friendly voice from in the shop.

“Never really thought about it” was my reply.

“Come in, grab a seat and I’ll tell you what it’s all about” he said, so I did.

Once inside I had the structure of the Open Water course explained to me. Basically I’d have to read a book, do some homework, watch some DVDs, then the fun bit would start. That would involve going out on a boat for a couple of days where we’d learn all about the equipment required for diving, go through all the skills we needed to know in a shallow sandy area, then do 4 dives to a maximum depth of 18 meters. After that I was told I could dive anywhere in the world whenever I wanted. Sounded pretty good to me, and I didn’t have anything else to do, so I signed up.

The Course

That night I did a bit of reading and the next day we had some videos to watch. During the video session I got to meet my fellow Open Water Diver trainees. We had an Israeli couple and a guy from Wales called Daniel. It seemed that Daniel was there to do a “Zero to Hero” course. Even though he’d never dived before he was planning to learn everything up to the point of becoming an instructor. On hearing this I was already more than a little jealous about the concept of living and working in paradise!

Out on the dive boat we moored up in a shallow sandy bay off Koh Phangan. It was here that we were taught how the dive equipment worked and kneeling down in shallow water we learned all the skills we’d need as divers like; clearing water from our masks or finding our regulators. At the end of this day, we finished off all our home work and went over some review questions.

Sleeping Under the Stars

The next day it was back to the Dive Boat, but this time the boat sailed all the way over to Koh Tao. Koh Tao is another island a couple of hours sail from Koh Phangan, and famous as the most popular place in the world to learn to dive. Once there, we began our first dives which were down to a depth of 12 meters! During the dives we had a bit of time to practice the skills we had learned the day before and we saw a lot of fish. It felt like being inside an aquarium, fish of all different colours everywhere! At the end of the dive we were all really happy and couldn’t wait to get back under water.

That night we slept on the open deck of the dive boat under the stars. I had another chance to tell Daniel how envious I was of the new life he was embarking upon, but I was also really looking forward to our last 2 dives in the morning, this time down to a depth of 18 meters. In the morning we got started bright and early.  Jumping into the ocean for our first dive of the day was a great way to wake up.

At the end of the day after our last two dives we sailed back to Koh Phangan to celebrate becoming Open Water Divers.  Now I was ready for an awesome time at the Full Moon Party with my new found diving friends!

Looking back

12 years later as a professional diver12 years later as a professional diver
12 years later as a professional diver

Now I sit here 12 years later looking back on my “Diving Career”. After the Open Water Course, I took my Advanced Course on Koh Phi Phi.  Following that, over the next 10 years, I had diving holidays in Belize, Honduras, Dominican Republic and Malaysia. Visiting a new country is always exciting, but having your Open Water card adds a whole new dimension to it. The underwater life and topography is just as different as the changing geography between other countries. Diving with Sharks in Belize was a completely different experience to following turtles in Honduras.  I quickly found myself planning my holidays to places with great diving!

After a productive 10 year career in Software Development and Project Management I found myself ready for a change.  It was time to follow in my old friend Daniel’s footsteps and become a Divemaster! Now I have been living in paradise for 3 years and loving my diving career!

So my advise to anyone thinking about it, take your Open Water Course. It will, at least, add a whole new dimension to your travels.  It might even take your life in a new and exciting direction.

For more information about how you can become an Open Water Diver, see our information page: Open Water Course

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