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At 11:51 AM 4/6/99 +1000, James Dibbs wrote: >Is air a bad option because of the narcosis effect or is it for another reason. Deep air is a bad option because: 1. Below about 130' to 200' the narcotic effect of N2 is subtle enough to make the diver think he/she is not impaired. Being impaired is bad enough, being impaired and thinking you're not is very dangerous. 2. It has a negative effect on your physiology. Red blood cells, for example, are deformed which hinders their passage through your capillaries including the ones in your lungs... the ones that allow you to decompress. 3. The first time you dive a deep site on trimix that you'd previously dove on air, you'll never want to go back to air again. Everything will be bright and colorful, and you'll remember more from that one trimix dive than you will have remembered from a dozen air dives. I'm sure there are other reasons I can't think of right now. There used to be a time where deep air was the only choice. Today there's a better option, and I can't think of a reason not to use it. -Mike Rodriguez <mikey@ma*.co*> -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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