BLOG: What I wanted to say…

Hovering or kneeling?

Floating or kneeling? - Why I prefer to let my diving students take off early The question of whether diving students should kneel or float at the beginning is a constant source of debate - and not just among instructors. Over the years, I have seen many approaches,...

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Gas planning tool

New toys: I have tinkered a bit and now have three small new tools for gas planning - here to try out and discuss.This is NOT intended for complex deco dives, if you are planning a complete dive anyway, you have a gas planning in Subsurface or other tools that is much...

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Who is afraid of oxygen?

One of the most important things you learn in every Nitrox course is that you can get an oxygen toxicity hit at high oxygen partial pressures. This can lead to seizures, which are difficult to survive under water. That's true, without a doubt, and we definitely don't...

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