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PEOPLE WHO HAVE FILLED scuba cylinders, refilled oxygen cylinders, or boosted a gas mix are familiar with using flexible hoses. Some hoses are covered with a durable rubber or thermoplastic jacket, while others appear even sturdier with a braided stainless-steel mesh on the outside. Correctly specified hoses are rated to pressures of up to 6,000 […]
Although striped marlins (Kajikia audax) are slower than some of their billfish cousins, their 50-mph speed is plenty fast for me. I try to swim alongside this stealth bomber of the sea as it works a baitball to separate individual sardines from the silvery mass. While getting outpaced by sailfish and black marlin might be […]
It’s not every day you can witness the inner workings of our planet by taking a live look under the hood at the engine of creation. Some scientists claim that life on Earth began from hydrothermal vents in the ocean’s abyssal reaches. That realm is much deeper than where I float now, but otherwise it’s […]
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A STATEMENT ON FRED BUYLE’S WEBSITE briefly explains his approach to underwater photography: “To take his pictures and videos, Fred uses a simple formula: the water, available light, a camera, and one breath of air, nothing more, nothing less.” I would add to that list an extraordinary eye for composition and a passion for placing himself […]
LIKE ANOTHER UNIVERSE, the underwater world is full of whimsical inhabitants, sinuous sharks, and huge mammals that have always fascinated people and probably always will. As a photographer, you enter completely new territory when you begin shooting underwater and learning how to adapt to the conditions of the aquatic world. Lighting subjects underwater differs significantly […]
How many times have you noticed the line of weeds out of the corner of your eye and driven past, around, or through it without a second glance on your way to a dive? In our case, most of the time. On a calm day off Jupiter, Florida, a wide weed line at the edge […]
The 11-liter aluminum 80, aptly named for its 11-liter internal volume and 80-cubic-foot (2.3 cubic meter) capacity when filled to its 200 bar/3,000 PSI rated pressure, is by far the most common cylinder. Just because it is the most common, however, may not mean it is the right one for you. Cylinders come in a […]
A TWO-WEEK LIVEABOARD in Turks and Caicos was the first dive trip I’d taken in 18 months, and I quickly learned that this small island nation has plenty to offer adults and children alike. It was Family Week, so I got to spend time with the younger generation of divers and their parents. West Caicos […]
If the diver is symptomatic and you are rendering care, then you need to treat the symptoms. Give them the highest concentration of oxygen available, and get them to definitive health care and treatment. Remember that many conditions show symptoms that may mimic DCS. Just because someone was diving does not mean they have a dive-related illness. When creating your emergency action plan, note the location of the nearest emergency room or where and how to access local emergency services.
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