That was the point of the question ...


Scuba Diving on the Great Escape Southern California Live-Aboard Dive Boat

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Posted by Karl S. on July 13, 2003 at 09:13:34:

In Reply to: Re: Xeno gas....WTFO..... posted by Doug Williams on July 11, 2003 at 14:12:14:

If you save your pennies, Doug, you too may be able to afford a subscription to the dive quarterly ADVANCED DIVER. In it you will see that a lot of heli-air mixing does in fact go on in wreck diving.

So that leads to the question: WHAT MIX SHOULD I USE?

Trimix is really an oxygen boosted helium-air mix.

The thinking behind trimix is that by adding oxygen to your mix, you minimize the inert components of the gas. So what?

The benefit you get is a few less minutes of decompression time.

The cost is O2 cleaned tanks, the need for an oxygen partial pressure blending system, and a helium analyzer to make sure you have the mix you intended.

With Heli-Air, you dont need the O2 cleaned tanks, you dont need the oxygen blending system, and any old oxygen analyzer will immediately tell you what you mix is composed of, if all you put into the tanks is helium followed by air.

So now that you understand the question, spelled out, why not get off your alcoholic depression, or whatever it is that makes you feel depressed all the time, and tell us what you really know about blended mixes for deep diving?

That was the original intent.


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