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George,
thank you so much, you've just given me an insight into what is REALLY meant by
positively buoyant B^)
JT
On Jun 25, 5:10, <George.Irvine@m2*.in*.co*> wrote:
> Subject: Re: Which Oxygen?
>
> "welding supply" is just what I call the places that sell gas, like Broward
> Welding, also known as Tri-Gas, in Ft Lauderdale. I personally like Balloon
> Helium, as is comes from balloons, or the Mango-Flavored Oxygen, that comes
from
> Mangoes. Medical Oxygen comes from Hospitals, and Aviators Oxygen comes from
Jet
> Engines. They just call this stuff oxygen, it is not really O2.
>
> If you go to a dive shop, they will always have the right stuff, as they
have
> taken hundreds of hours of training in Tom Mount's swimming pool, and know
just
> what flavor to get. Be careful with Balooon Helium, as it tends to make your
> tanks float , and welders oxyegn will make them "weld" the valve on.
>
> Aslo, get a helium lock for your tank valves so your helium will not escape
> overnight, leaving you with nitrox, which happens all of the time. This is
why
> you hear of so many accidents - you must dive them right away if you have no
> helium lock, but roll them around for about six hours to get them mixed, or
they
> will stratify just before all of the helium escapes.
>
>
> --
> Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
> Send subscription/archive requests to `techdiver-request@terra.net'.
>-- End of excerpt from <George.Irvine@m2*.in*.co*>
--
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John Taylor <jtaylor@cs*.co*.uk*>
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Phone: +44 171 516 2207 Mobile: +44 973 890594
Fax : +44 171 516 2688
Credit Suisse Financial Products, 1 Cabot Square, London E14 4QJ.
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"After diving, all else is surface interval"
O oO
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===(O).
(Last dive: Swanage 23/6/96 "Kiara" wreck + "Old Man Harry" Drift dive)
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