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Should I Get A Dive Computer


Should I Get A Dive Computer

By: Charles Davis


Dive Computers are a Sign of Dedication

Each diver will have to decide for themselves if a dive computer is a must have, nice to have or a waste of money. Most serious divers swear by their computers but in reality they were most likely diving for  quite a while before purchasing their computer. Dive computers are relatively new in the overall scope of scuba diving and will most likely be your most expense purchase, even more than the training and basic equipment. The variety and capabilities of the different computers on the market are staggering. However, before you even start sorting through the different manufacturers and models, you really need to determine do you need one and how great is the need. You learned the dive charts in your training and they have served you well. When you plan your dive, you look up your limits and adjust your plan to ensure that you stay within the safe limits. Before your second dive, it is back to the charts to look at your residual times. When you start doing dives that are a little more difficult to plan such as a multiple level dive, then you can start using the dive wheel. However both require you to stay within the plan. Also they assume that you are at the same depth for the same amount of time that you calculated.

What is a Dive Computer

Before getting to involved with the topic, I think a brief definition should be included. While there are numerous features on different models we will stick to the basics. Technically it a very difficult process. The computer is able to take its own pressure reading and can accurately keep time. Inside the dive computer are what are referred to as compartments. The number varies by model, but they are calculations designed to mimic the effects of nitrogen on different type of tissue within your body: such as fat, muscle, tendons and so forth. Tissue types absorb and release nitrogen at different rates. Every two seconds or so the computer take a pressure reading, calculates  the lapse time and updates the compartments. Using a logarithm based on dive tables it calculated and displays your NDL and other information. The computer is calculating on the performed dived not on how it was planned. Computers are not perfect, there are items that affect the absorption rate that the computers can not measure, such as your activity level, the presence of drugs or alcohol in your blood or your level of hydration. The use of a dive computer allows you to maximize your time underwater using real time data while keeping you within a safe profile.

Dive Computer 

What is Your Normal Dive

The types of dive you do will be a factor whether it is a must have, nice to have or a waste of money to get a dive computer. If you only dive infrequently and at shallow depths then a dive computer may not be necessary for you. A dive at 30 or 40 feet can easily be managed using the dive tables. If you are doing dives around 60 feet but at a single depth then there may be some use for a computer but it is still limited. If the 60 foot dive is also able to be done as a multilevel then you will see some benefits of a computer allowing a little extra dive time.  It is not unusual to an additional 15 or 20 minutes to a dive that goes to 60 feet but returns to 30 feet during the dive. Once you start diving beyond 60 feet then a computer becomes a very useful tool.

If you have not used a dive computer yet, I would suggest you rent one for a few dives. Many dive centers have computers for rent. Some center are even making a computer a requirement for deep dives. Deep being defined at below 60 feet. Plan the dive as you normally would but, use the readings from the computer during the dive. Afterward compare what you were able to safely dive with the times listed in the dive plan. This should help illustrate the value of the computer for your diving style.

If you are thinking of getting a computer, project how many dives will you do in a year, also how many of those are deep dives. Also take the cost of the dive computer you are interested in and divided it by the cost to rent the computer. This will tell you how many dives it would take to pay for the computer based on the rental cost. These three number should show you the economic benefits of buying instead of renting.

Dive More Safely

Dive computers have helped many divers maximize bottom times while still staying in a safe range of risk. They are also able to warn a diver that has exceeded his NDL and to provide guidance to reduce the risk with decompression stops. Given the serious injuries that can result from DCS, a dive computer should be considered for anyone who dives near the edge of the dive tables maximum time.


The Healthy Diver: Tips for Clearing Your Ears


The Healthy Diver: Tips for Clearing Your Ears

by Selene Yeager

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Ear woes are the No. 1 reason divers pull the plug on a dive, and in extreme cases, the sport itself. But with a few tricks and advanced techniques, almost anyone can make equalizing easier. In diving, the Valsalva maneuver is often used on descent to equalise the pressure in the middle ear to the ambient pressure. Performed properly — pinching your nose shut while exhaling — most divers can descend without any problems. But for some divers, the technique doesn't help.

You should never continue with a descent if you are experiencing ear pain. But before you give up on a dive — or diving itself — try these tips.

Listen for the "pop." Before you even board the boat, make sure that when you swallow you hear a "pop" in both ears. This tells you both eustachian tubes are opening.

Start early. Several hours before the dive, begin gently equalizing your ears every few minutes. Chewing gum seems to help because it makes you swallow often.

Equalize at the surface. "Prepressurizing" at the surface helps most divers get past the critical first few feet of descent. It may also inflate your eustachian tubes so they are slightly bigger. Not all medical authorities recommend this, however. The lesson here is to pre-pressurize only if it seems to help you, and to pressurize gently.

Descend feet first. Studies have shown a Valsalva maneuver requires 50 percent more force when you're in a head-down position than head-up.

Look up. Extending your neck tends to open your eustachian tubes.

Use a descent line. Pulling yourself down an anchor or mooring line helps control your descent rate more accurately. A line also helps you stop your descent quickly if you feel pressure.

Stay ahead. Equalize often, trying to maintain a slight positive pressure in your middle ears. Don't wait until you feel pressure or pain.

Stop if it hurts. Your eustachian tubes are probably locked shut by pressure differential. Ascend a few feet and try equalizing again.

Avoid milk. Some foods, including milk, can increase your mucus production.

Avoid tobacco and alcohol. Both tobacco smoke and alcohol irritate your mucus membranes, promoting more mucus that can block your eustachian tubes.

Keep your mask clear. Water up your nose can irritate your mucus membranes, which then produce more of the stuff that clogs.

Alternative Clearing Techniques

There are  problems with the traditional Valsalva maneuver: It may not work if the tubes are already locked by a pressure differential, and it's all too easy to blow hard enough to damage something. Divers who experience difficulty equalizing may find it helpful to master some alternative techniques. 

Toynbee Maneuver. With your nostrils pinched or blocked against your mask skirt, swallow. Swallowing pulls open your eustachian tubes while the movement of your tongue, with your nose closed, compresses air against them.

Lowry Technique. A combination of Valsalva and Toynbee: while closing your nostrils, blow and swallow at the same time.

Edmonds Technique. While tensing the soft palate and throat muscles and pushing the jaw forward and down, do a Valsalva Maneuver.

Frenzel Maneuver. Close your nostrils, and close the back of your throat as if straining to lift a weight. Then make the sound of the letter "K." This forces the back of your tongue upwards, compressing air against the openings of your eustachian tubes.

Voluntary Tubal Opening. Tense the muscles of the soft palate and the throat while pushing the jaw forward and down as if starting to yawn. These muscles pull the eustachian tubes open. This requires a lot of practice, but some divers can learn to control those muscles and hold their tubes open for continuous equalization.

Secrets to Saving Air


Secrets to Saving Air

by Selene Yeager


Do you consistently run through your gas supply faster than other divers on the boat? Do you frequently have to end the dive before the rest of the group? What's going on? And what can you do about it?

First, you can stop beating yourself up over it. People are different. Those with slower metabolisms will--other factors being equal--use less oxygen. Small divers have to use less energy than big ones to swim forward, so they also use less oxygen. Nature doesn't distribute her gifts equally, and you may never be the stingiest sipper of gas on the boat.

On the other hand, most of us can reduce our gas consumption and thereby extend our dives. We can be better, even if we can't be the best. Typically, divers waste air in one or more of these three ways:

By leaking it before it gets to their lungs, thanks to free-flowing octos and worn out O-rings.

By using more energy than necessary. Using energy means using air, because oxygen is necessary to burn the calories that make energy. Every bit of unnecessary exertion costs you psi.

By getting less than maximum benefit from each breath. When divers breathe inefficiently, they exchange less oxygen for carbon dioxide with each breath, so they need to take another breath sooner.

Here are 18 tank-stretchers to try, starting with the obvious first step.

Fix the Small Leaks

Even a tiny stream of bubbles from an O-ring or an inflator swivel adds up over 40 minutes, and may be a sign of more serious trouble ahead anyway. You don't think you have leaks? Do you have eyes in the back of your head? Ask your buddy to look behind you to be sure. A mask that doesn't seal is another kind of leak in that you have to constantly blow air into it to clear out the water. It's also a source of stress, which needlessly elevates your breathing rate and thereby reduces your breathing efficiency. Does your octo free-flow easily? That can dump a lot of air quickly. Detune it or mount it carefully so the mouthpiece points downward.

Dive More

Inexperienced divers are famous for burning through their air supply at a furious rate. The reason is anxiety. A new diver is understandably nervous, and his body's automatic response to danger is to raise his metabolism, his heart rate and his breathing rate. It's hard-wired, the body revving its engine to be ready for fight or flight, though the result is a lot of air cycled through his lungs but never used, just dumped into the ocean.

You may not be a new diver, but unless you dive almost every week it's still an unnatural activity, and your body isn't as happy as you are about putting its head under water. Dive more--your body will get used to the idea, and you'll breathe less.

Take a Class

Any class, almost, will reduce your gas consumption just by making you feel more accomplished and therefore more comfortable. But the best bet is probably a class to improve your weighting and buoyancy control. When you get that dialed in, you can control your altitude mostly with your lungs, so you're not squirting that valuable gas into your BC and then venting it to the ocean. Most important, you can now forget (nearly) about the mechanics of diving, drift like a fish, and relax.

Sleep More, Party Less

Be well rested on dive day. Fatigue is stress. If you start the dive already tired, your body has to work harder to overcome the extra burden, so you breathe harder. A hangover is stress too. You may think you're sober in the morning, but in fact alcohol and other drugs affect your physiology the next day. As SSI instructor Jim Bruning puts it, "Your body does what your mind tells it to. If you had a good night of sleep, your body and mind are going to be much more relaxed, much calmer."

Be Early

If you're late to the boat, running to get your gear on board, worried about the hard looks of divers who were on time, stuck with the least-convenient gear station and generally playing catch-up all day, you're giving yourself unnecessary fatigue and mental stress. You start the day breathing hard and never have a chance to calm down. On the other hand, if you're early to the boat, early to gear up and early to the dive briefing, you'll conserve your energy, feel confident and relaxed, and your breathing will remain slower.

Swim Slowly

The energy cost of speed is even more than you might think because it's an exponential function proportional to the square of the speed. So swimming twice as fast requires four times as much energy and air. But the reverse is true, too: Swim half as fast as you do now, and you'll use only one-fourth as much air.

Stay Shallow

It's physics again. Because your regulator has to deliver air at the same pressure as the water, a lungful at 33 feet (two atmospheres) takes twice as much out of your tank as does the same breath at the surface. At 99 feet (four atmospheres) it takes twice as much as at 33 feet.

There's absolutely nothing you can do about that except to avoid being deeper than you have to be. If you're making a transit over an uninteresting sand flat to get to the edge of the drop-off, do it at 15 feet instead of at 40 feet, and you'll save air.

Minimize the Lead

If you're overweighted, you have to put more air into your BC to float it and be neutral. The inflated BC is larger and requires more energy and oxygen to push it through the water.

An extra eight pounds of lead means your BC is one gallon bigger when inflated enough to make you neutral. Imagine the extra effort of having to push a gallon-sized water jug through the water.

Adjust Your Trim

If your body is horizontal in the water, when you swim forward, your legs and fins will pass through the "hole" in the water made by your head and shoulders. You'll disturb less water and expend less energy and air.

Many divers, however, swim with their feet lower than their torso and their head higher. Adjust your trim by moving some lead from your hips to your back--to trim pockets on your BC or to your tank.

Seek Neutral Buoyancy

Always being exactly neutral is the key. If you're not, if you're slightly heavy or light, you're constantly using fin power (and air) to maintain a constant depth. If you're not neutral, you can't glide between fin strokes and you can't hang effortlessly.

Streamline Your Gear

All fast-swimming fish have smooth skins with few or no protuberances. That minimizes drag so they can swim with the least energy and oxygen consumption. Divers, by contrast, have rough, convoluted surfaces with all sorts of attachments from scuba tanks to whistles. Anything disturbing the flow of water past your body creates drag and wastes air.

Do your best to imitate the fish. If you don't need a light on this dive, for example, don't take it. If you do need something, try to hide it in a pocket instead of dangling it from a D-ring. Take the snorkel off your mask and strap it to your leg or tuck it under your BC or get a folding snorkel that fits into a pocket. Shorten hoses that are too long. Clip your console close to your body. Suit your gear to conditions: You don't need the bulk of a BC with 40 pounds of lift in the tropics.

Streamline Your Movements

Keep your arms close to your body. Straighten your legs and keep them as close together as your fins will allow. Kick with short strokes so your fins stay within the slipstream of your body. Some fins do require a wider stroke so you have to compromise between efficient propulsion and streamlining. But usually you're better off finning faster instead of wider.

Breathe Deeply

Any oxygen taken from your tank but not absorbed into your bloodstream is wasted. That's the case when you take short, shallow breaths. A large part of the air you take in fills your throat and bronchia, but doesn't reach your lungs before it is expelled again. You have to take another shallow breath sooner because you didn't get much benefit from the first one, and a lot of air is wasted.

Instead, try to inhale deeply, filling your lungs completely with each breath. A deeper breath brings air to more of your lungs' tiny "air sacs" (the alveoli) where gas exchange takes place. It also adds more fresh air to the volume of "dead air" that remains in your lungs, throat and mouth from the previous breath, so the mix is richer. When more alveoli are more fully inflated with fresher air, gas exchange is more efficient: More oxygen is extracted from the incoming air and more carbon dioxide is released. Although each breath uses more air, you will take fewer breaths, and the net effect will be that less air is used. Short, shallow breaths are more frequent and less efficient.

Exhale fully too, so you expel as much carbon dioxide as possible. Anything not exhaled is carbon-dioxide-heavy "dead" air. On your next inhale, that dead air — instead of fresh air--partially fills your lungs. The urge to take the next breath is triggered not by lack of oxygen but by excess of carbon dioxide, so you find yourself inhaling again sooner. On the other hand, a deep exhale extends the time before you feel the need for another breath.

Breathe Slowly

You consume considerable energy just by breathing, by sucking the air in and pushing it out again. To inhale, you have to suck open a demand valve in your second stage and pull gas down your throat and into your lungs. Each inch along the way and each corner the gas stream turns mean friction and turbulence. Both increase the effort you put out in just breathing and decrease the amount of gas that actually gets to your lungs. Friction and turbulence are unavoidable, but the amount goes up dramatically when you try to breathe quickly--just as a faster-moving boat creates a bigger wake. The problem gets worse as you go deeper because the gas is thicker--it's like trying to suck a milkshake instead of water through a straw.

So don't force it. Try for a long, slow inhale until your lungs are full, then a long, slow exhale until they are empty. More air will get to your lungs, it will spend more time there exchanging "good" for "bad," and you will use less energy pushing the air back and forth.

Upgrade Your Gear

Overhaul your regulator on schedule and consider one with lower work of breathing, especially if you often dive deep. Scuba Lab tests have shown that the work of breathing demanded by some regs can be three times as much as others, even more. A "hard-breathing" reg not only demands more energy and therefore oxygen just to operate it, your difficulty breathing through it increases your anxiety level and elevates your breathing rate. So it wastes gas two ways.

Get in Shape

Two people climb a flight of stairs. At the top, one is huffing and puffing and the other is breathing normally. The heavy breather is getting more oxygen, but he's wasting a lot of what he inhales because he's breathing so rapidly there isn't much time for gas exchange. It's an adaptation that makes sense only on land where the air supply is unlimited.

Diving can be surprisingly strenuous because water is so much denser than air. Swimming into a current, it's not difficult to elevate your breathing to the very wasteful rate of huffing and puffing. But even much lower levels of exertion will cause your breathing rate to rise. How much it rises and how soon depend mostly on your aerobic conditioning. A diver in better condition will have less increase when the workload goes up, so he will use less air. The other part of getting in shape is to lose fat and achieve a more streamlined shape.

Stay Warm

Even warm water is cold when you're immersed in it, because if it's cooler than about 95 degrees, it takes heat out of your body at a surprising rate. Heat is energy that has to be replaced by metabolism, using oxygen to make it. Getting cold also creates mental stress which, often without your noticing it, increases your breathing rate.

And Just Chill Out

The competition over who uses less air can itself be a problem when divers associate low gas consumption with diving skill, virtue and the right to take up space on the boat. It's one of those self-fulfilling prophecies: You worry about using more air than your buddy, which causes stress, which elevates your breathing so you do, in fact, use more air.

In fact, a higher rate of air consumption can be caused by many things, some of them fixable and some not. In itself it means little or nothing and is nobody's business but yours and arguably your buddy's--who, we hope, is not out to ruin your day. So if you'd like to reduce your gas consumption, work gradually on reducing your lead, controlling your buoyancy, improving your shape and posture in the water, going slowly, breathing slowly and relaxing. Then forget about it. That alone will help.

The Healthy Diver: Drink Up


drinking water



Hydration can be a major problem to your health even when you are completely surrounded by water. In fact, all the delights of a dive vacation — a hot sun, rum punches, long hours spent on the water — can leave you as dry as desert sand. How can you avoid becoming dehydrated, which could put an early end to an amazing diving adventure, and learn to recognise the symptoms?


A few common symptoms like headache, fatigue, or feeling dizzy can be overlooked or attributed to other causes. But when these symptoms accompany others, such as a dry mouth or being excessively thirsty, dehydration is likely the cause. Some of the most common effects from mild dehydration is cramping because not enough water is taken to your muscles and overall exhaustion and weakness. While that may not sound very severe, the more dehydrated you are, the more difficult it is for you to remain focused and self aware of your surroundings. You are also at a higher risk of having decompression sickness. On a dive vacation, some of the factors leading to dehydration are:


1) Sweating. Perspiring is the body’s internal a/c, a cooling mechanism that releases a significant amount of water. It’s common to sweat in hot, exotic locations — and that’s without the extra stresses and workload a diver has. Divers sweat while loading and offloading gear from a boat, finning against a current, and wearing a wetsuit for a prolonged period of time.

2) Sunburn. Soaking up the sun’s rays can be dangerous. Relaxing on the beach can lead to sunburn and as your body struggles to repair the damage, water seeps into the damaged skin and the body loses fluids.

3) Immersion diuresis. This is the correct term for peeing in your wetsuit. Immersion in water, especially in water that is colder than the air, causes narrowing of the blood vessels in your arms and legs, sending more blood back to your body.

9 Tips for Travelling Divers


health check



Health News: 

Nobody plans to get ill on a dive trip, but the fact is it can happen. It will be less likely and less traumatic if you are careful and prepared.

The first step is, of course, don’t get sick, so here are some effective preventative measures you can take:

1. Stay as far away as possible from others who appear sick (e.g., folks who are coughing, sneezing).

2. Wash your hands frequently while travelling and keep them away from your nose, mouth and eyes. 

3. In the developing world, be prudent about drinking water from the tap. Stick to bottled drinks, especially water, and make that ice you use also comes from distilled or bottled water.

4. Avoid unshelled fruits and vegetables. Stick to fruits with hard shells and avoid berries. If you chance it with leafy greens, they should be very well washed with clean water. 

5. If you are in an area with insects, wear long sleeves and pants, avoiding dark or bright colors, especially at dawn and dusk. Try to stay indoors at dawn and dusk when many flying insects are most active. 

6. Wear a proven insect repellent or a picaridin-based repellant containing at least a 15% concentration.

7. Avoid scented toiletries and perfumes, which attract insects.

8. Get necessary vaccines before departure. You can check with your primary care physician but it’s very unlikely he will be travel-medicine savvy. Alternatively, locate a travel medicine specialist through ASTMH/ACCTMTH directory or my favorite, little-known gem, Passport Health to find out what’s currently being recommended for a specific destination.

9. Verify that your health insurance provider covers medical expenses abroad as many do not. Familiarize yourself with the details of your medical coverage, and especially with the process for documenting a claim (even DAN can be a problem if you don’t carefully follow the rules). In addition, it’s prudent to secure an IAMAT (International Association for Medical Assistance to Travelers) membership. It’s free and the organization maintains a network of approved health professionals throughout the world who offer services to travellers at a fixed rate. 

If your carrier doesn't cover you overseas, consider purchasing traveller’s insurance.

Thirteen Things You Didn't Know About Scuba Diving Gear - But Should



Photo of reg to go with 13 things  note

Thirteen Things You Didn't Know About Scuba Diving Gear - But Should


Divers have an intimate connection to their equipment. But the history, evolution and hidden inner workings of many integral pieces of our collective kit might be a mystery to many of us. Knowing more about your scuba diving gear is essential.Check out these 13 curious details, historical head-scratchers and surprising facts, including why dive watches glow and what the heck is the “Bends-O-Matic?”. In Turtle Bay Dive Resort, we not only serve you, but we give you more information about the diving world.

1. One of the earliest “dive computers”, the SOS Decompression Meter, was completely mechanical and simulated the process of gas absorption in the body. Its sketchy performance earned it the nickname “Bends-O-Matic.”

2. The first decompression tables, and the basis for modern dive computer algorithms, were published in 1908 by John Haldane. They were based on simulated dives using a hyperbaric chamber. The test divers were English goats. 

3. Depth ratings for extreme deep dive watches have exceeded the known depth of the oceans. The Sinn UX is rated to 12,000 meters, more than 1000 meters deeper than the Marianas Trench.

4. Tritium, a radioactive material safely used in tiny quantities to make illuminated markings in many dive watches, is also used as a “booster” in multi-stage hydrogen bombs. 

5. The rhythmic, mechanical breathing of Star Wars’ Darth Vader is iconic. It’s the amplified sound of a scuba regulator. 

6. Jacques-Yves Cousteau and Emile Gagnan invented the Self-Contained Underwater Breathing Apparatus in 1943. It was based on a diaphragm regulator design first developed more than a hundred years before. 

7. Last year, Allen Sherrod, a dive instructor from Florida, spent 48 hours and 13 minutes breathing from a regulator while submerged off Lauderdale-by-the-Sea, Florida. It was a world record time for a saltwater dive.

8. Many warm-water divers use their octopus as a defense against stinging jellyfish. A brief purge beneath an oncoming assailant will gently lift it out of the diver’s way. 

9. An ancient bas-relief dating back to 900 B.C. shows Assyrian divers using animal skins filled with air, which they carried with them to increase the length of their dives.

10. Before the standard power inflator came along, horse collar BCs incorporated small CO2 canisters to provide emergency inflation when needed, just like many personal floatation devices do today. 

11.The popular backplate-and-wing BC design came as a cave diving innovation and improvement over “belly bags,” which uncomfortably sandwiched divers between an air bladder and a pair of heavy steel tanks. 

12. No welding is used in making a typical aluminum scuba tank. Instead, a 32-lb. aluminum slug, 7-inches across, is pressed into shape by 2,500 lbs. of pressure in just 20 seconds. 

13. Everyone knows LED lights are more efficient than incandescent models. But how efficient is it? Tests have shown that burn times may average 30 times longer using identical battery power. 

Are Split Fins Right For You, Or Maybe another type of fins? - Turtle Bay Dive Resort


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                                                               Are Split Fins Right for You?


When cruising the depths, do you find yourself nagged by ankle strain when kicking through the water? Does the most minimal fin stroke get your knees and leg muscles barking like a pack of dogs? Do you like the ability to kick into a current or chase a bat ray without getting overly fatigued or cramping up? Are you a big fan of the flutter kick? If so, you might be a candidate for split fins.


Split fins slice through the water with far less resistance than traditional paddle fins. That’s because rather than pushing against the water with brute force, the flexible blades of a split fin, when engaged in an up-tempo flutter kick, actually generate lift along with a jet propulsion effect, similar to a boat’s propeller. The faster the propeller turns, the more propulsion is generated. In other words, with split fins power comes from the speed of a diver’s kick rather than the force of the kick. The result: excellent acceleration and the ability to sustain speeds and cover a lot of ground with minimal effort or leg strain.


Of course, like anything else, there are good split fins and not-so-good split fins, so performance results will vary. Also, due to the principles of the design, the best kick for a split fin is a narrow (inside the body’s slipstream), rapid flutter kick. If that type of kick is not your cup of tea — if you prefer sculling or the frog kicking instead, or if you tend to do a lot of backing up — then a split fin is probably not for you. Clearly, there are distinct differences between splits and paddles. The question is what design approach is right for the type of diving you like to do?


Read Sport Diver Asia Pacific’s roundup on fins byjoining the PADI Diving Society today, and get a 1-year subscription to Sport Diver Asia Pacificwith your membership!




5 Tips for Dive Mask Care- Turtle Bay Dive Resort



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5 Tips for Dive Mask Care

I want to share with you 5 useful tips for looking after your dive mask. As we all know, having problems with your mask can really spoil a great dive  so follow these 5 steps and ensure you always get a great view of your dives. 

Scuba Diving Gear: Mask Care
Critical scuba diving gear requires annual inspection and service by a qualified technician, but even dive masks — your window to the underwater world — need some special tender loving care. Here’s our guide to keeping your mask in tiptop shape in 5 easy steps.

1. If you haven’t replaced your mask strap with a stretchy fabric one, stretch out the strap to look for fine cracks. If you do find any, immediately replace the strap. 
2. Examine the silicone of your mask skirt. The most common failure area on a mask is the feather-edged seal on the skirt. This can become imperfect or irregular in shape with time and heavy use, and that irregularity can create leaks. 
3. Check all the buckles, which can crack, split or become clogged with debris that can interfere with how they function. Then check the frame of your mask for cracking, chips or other obvious signs of wear, especially in the areas immediately adjacent to the glass lens.

1. To avoid mildew growth, rinse your mask in warm, fresh water and allow it to drip dry completely before packing it away. 
2. Pack the mask loosely, so nothing distorts the mask skirt. Leaving it squashed into a weird position for a long period of time will cause it to take on an unnatural shape.

Take good care of your mask as this is our eyes, our access to the beauty underwater. 

Preventing and Treating Coral Scrapes whilst Diving Moalboal


Based on article by DocVikingo

Colorful coral at Turtle Bay Dive Resort

Look, Dont't Touch

Scuba diving is traditionally a look, don't touch kind of sport, but even careful divers can inadvertently run into trouble. By far the most common diving injury is the common scrape, usually from coral. Marine aware divers dive without dive gloves and many marine protected sites ban the wearing of gloves so that divers will not be tempted to touch marine life. So the chances of an accidental scrape become more likely to occur.

Types of Injuries

Irritations often occur as a result of a brush with coral or sponges. Coral scrapes can be painful and sometimes difficult to heal because the living organisms in the coral can get into the wound and cause infections. Contact with a sponge can leave irritating fibres in the skin, producing an itching rash that can range from mild to severe, possibly with pain and blistering.

Prevention & Treatment

Even if you're careful, it's likely you'll come into contact with coral someday. My first encounter with fire coral gave me an inflamed hand that lasted one week. If and when you get a scrape, here's what to do:

1. An ounce of prevention is worth a pound of cure. Make sure your body is covered, even if just by a dive skin.

2. Regularly irrigate a scrape with copious amounts of vinegar over a period of about 30 minutes.

3. Apply triple-antibiotic to the wound twice a day for a couple of days.

4. Scrapes can become infected even with proper initial care. Watch for hotness to the touch, redness or red streaks around the site, swelling, discharge of pus, or fever. If you see them, contact a doctor.

5. Fragments of coral sometimes become lodged beneath the skin and the body mounts a prolonged allergic reaction to them. In some cases, debridement is required to resolve the reaction.

Even in the absence of embedded coral remnants, it is not unusual for a marked hypersensitivity response to a coral injury to continue for three to four weeks before significantly improving. Sometimes the lesion will resolve but then return.

If a scrape doesn't substantially resolve within a month, or gets worse, you should consult a dermatologist.

Worst Case Scenario

Even innocent injuries can turn deadly if you have an allergic or severe reaction. After any accident, watch for severe swelling, dizziness, blurred vision, breathing difficulties, weakness, muscle pain, cold sweat and a rapid heartbeat. If any occur, call DAN’s emergency hotline immediately. CPR may be necessary until help arrives. 

The Turtle Bay Dive Boat and Dive Centre carry first aid kits that can be used for on the spot treatment; however the nearest large hospital to Moalboal is South General Hospital which is 90 minutes drive from Moalboal. So my advice to all divers coming to Moalboal, or to a remote dive location in the Philippines, is to make sure you are a paid up member of DAN (Divers Alert Network) so that expert advice is just a phone call away.



A whole new world: Diving in the deep


Shoal of angel fish


As children we saw the world as an opportunity to try a new and exciting experience every day. Sights, sounds, smells and colours dazzled our senses with each journey we took and life held boundless discoveries for us to make. However, with every passing year the novelty of worldly delights begins to wear – until relief from the daily grind is all that we truly seek to discover on our annual holidays.


Imagine if there was a new, thrilling world that you had never seen before, just waiting to be glimpsed.


We’ve all seen trees, mountains, lakes and sunsets. But how many people have experienced the marvel of the world underwater? Only by seeing it can you truly believe the breathtaking beauty of life at the bottom of the ocean. This is the ultimate destination for anyone looking to escape a life of normality and to push themselves to learn a rare and most valuable skill.


Scuba diving is not just a sport, but a lifestyle. Those who learn the skill find that it becomes a passion that consumes them, and they soon find themselves always searching for the best diving spots and the most sought-after sights. With some of the top diving destinations containing around 40,000 square kilometres of intricate coral reef, there is an enormous variety of marine life to be found. There are hundreds of species of multi-coloured fish, along with sharks, rays, turtles and a whole host of plant species that you never knew existed.

 Scuba diver exploring the seabed

The best way to begin the learning process is to take a break from your daily routine and discover the diving holidays Maldives, Philippines, India or Red Sea getaways can provide. Wherever there is sea, there is life to be a part of – and learning on holiday will make the experience even more magical.


Taking your first breath underwater will be something you never forget – the power to immerse yourself in nature that was never intended for human eyes. With the help of an experienced PADI trainer you will embark upon a course designed to slowly adjust you to the diving experience and gain the confidence you need to swim underwater for a prolonged period of time. Most diving holidays include lessons for children and adults, as well as even the more experienced divers, in order to build and sustain a safe level of skill for all the family. Courses usually follow the basic principles of:


  1. Starting off in a pool to learn the basic skills of diving
  2. Studying the theoretical part in a classroom at the resort or online
  3. Completing adventure dives with various challenges in order to build confidence
  4. Reviewing skills if you haven’t dived in a long time
  5. Practise, practise, practise!


There are also numerous other opportunities to develop your new skills further, such as completing courses in a specialist field such as underwater photography, emergency first aid, rescue diving and becoming a master diver. With such a lot of activities to choose from, it is little wonder why divers are continually seeking more unique challenges. So try it, and rediscover the child within you and a whole new world!

To Find out more about PADI diving courses you can take at Turtle Bay Dive Resort, click on this link PADI Dive Courses.

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