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Bantin's Blog

Bantin's Blog - Breathing

October 17, 2014

The big question that every new diver wants answered is about how long the air in the tank will last. It all depends on how much there is to begin with, how deep it is going to be breathed at, and how much the diver is going to breathe it.The first two parts to this are easily identified. You can read on the shoulder of the tank its fixed volume and you can read from the pressure gauge how much it has been filled. Multiply one by the other. A 10 litre tank filled to 200 bar has 2000 litres of air in it. A 15 litre cylinder filled to 230 bar has 3450 litres of air.It is best...

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Bantin's Blog - The Most Dangerous Dive?

October 10, 2014

Non-divers always ask me what was the most dangerous dive I ever did. They are unimpressed with stories of diving CCR on the wrong set-point or surfacing on a strong current miles from where the boat might be. They want something that they can relate to and last year I did exactly that. Imagine being grabbed by a huge five-metre long stripy tiger shark that swims off with you. Well, that's exactly what happened to me. Luckily it grabbed me by my tank so I wasn't injured and it dropped me after a very long sixty seconds or so.I was at a shark feed at Tiger Beach, Grand Bahama. There were a great many lemon sharks present and...

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