Posted by H on January 23, 2003 at 10:06:56:
In Reply to: I have friends who have their own garage units posted by Karl S. on January 22, 2003 at 16:29:23:
"Locating a source of breathing-purity helium in large industrial bank sized tanks is the hardest part. Oxygen for blending your own nitrox is not easy to find industrially, in breathing quality either (aviation grade or medical grade) because oxygen is a controlled substance in most states. Check your state laws about this."
Uh, not. Walk in to the local gas supplier and just buy Ts of either. If you can keep your mouth shut for the 10 minutes it takes to fill out the paperwork and hand over the cash, they won't ask any questions. Just don't be an idiot and start doing the "I am tech diver hear me roar" bit.
Head on over to Airspeed Press and get the "Oxygen Hacker's Handbook." Then read it. Then read it again. And again. Then actually try to go out and do something instead of guessing.
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