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scubabunny, I understand completely. My other half still gets a bad case of nerves when I do something deep. I'll tell you what I told her. Even if you never do a dive below 130FSW, take a deep air or extended range course. At least you be well informed and nervous at the same time. And I feel...

I was taught to use the 6-3-6 method. Inhale slowly for 6 seconds. Pause for 3 seconds. Exhale for 6 seconds. The instructor that taught me this wrote an article on the subject. If you would like it, send me an e-mail and I'll get it to you.

I used to think depth didn't mean anything either. Until I went to the "Twilight Zone" You know that section of water between 200 and 500 FSW. Life at those depth are incredable there are things there that you just won't see at shallower depths. To say you have seen it all and not been down...

The one my wife bought was about $3500.00 US. That's for the european model with black case oxcy gauge and tek harness.

You can get them on the net "ebay" or from a local dive retailer. If you are going to get one, think about doing it sooner rather than later. Drager is having a sail on their dolphins and rays.

One other thing that you need to look at is the types of rebreathers. Mechanical vs. Electronic or something like Drager vs. Cis-Lunar. Here is the deal with bottom times. I got TRIMIX certified this summer. I was wearing double 80's on my back and 65's under each arm. My instructor was...

Ok, narcossis is known as "inert gas narcosis" That means that different inert gases have different narcotic affects at different depths/pressures. But you already know this. Here is something you may not know. Last year I read an article that talked about some dive med docs perscribing...

1 and 2 Keep the diver with you. Watch his/her breathing. Do your deco stops. 3. The Navy says and I'm a firm believer that you have 5 minutes from the time you hit the surface to get air or O2 and return to your deco. If your buddy isn't breathing then 3. should be ok. Just get back in...