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My local gas supplier is managed by a diver (figure the luck in that here in Vernal, Utah!) and is very cooperative. I started out mixing my own gas by first reading the O2Hackers Companion, then talking with my gas supplier. They told me that I needed to get a prescription for medical grade O2, which I did without any trouble. I then went down to the local home medical supplier, who promptly drove down to my local gas supplier and picked up a med. grade t-bottle. They drove it back to their shop where I picked it up. When I asked for a second bottle, I simply returned my empty at the gas supplier, they called the home medical supplier and I picked up the bottle at the gas supplier. On my third bottle, the gas supplier told me that the gas they sold was ALL MEDICAL GRADE and they sold it as aviator and welding. The only difference was in their paperwork! Which they now make out as "Welding Grade" to protect them... but in reality it is all medical grade... at least at my gas supplier. I suspect that this may be the case many places, as it simplifies their inventory. They now sell me t-bottles of O2 for $14 a tank instead of the $22 the home medical charges me! Scott Gudmundsen __________________________________ ----- Original Message ----- From: p k <abyss30@ho*.co*> To: <techdiver@aquanaut.com> Sent: Saturday, November 27, 1999 6:05 PM Subject: Isn't oxygen, oxygen? > This question has plagued me for a while. > What is the difference between breathing oxygen and welding oxygen? > > First,I was told that welding O2 had more hydrocarbons contained in > it, BUT isn't the explosion/fire risk the same? How many auto mechanics wash > and dry there hands before changing a regulator on an > oxy-acetylene torch? The second thing I was told is "there is possibly a > higher moisture content", to me that doesn't hold up either because oxygen > (commercial grade) will always come in a steel cylinder, if there is any > moisture in there it will rust and pretty quickly I might add. So what's the > deal? Anybody? > > ______________________________________________________ > Get Your Private, Free Email at http://www.hotmail.com > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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