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CO2 needle valves



Steve Benz says:

>First, don't use "Teflon Tape" for CO2
>connections.  My welding supplier says the best thing to do is just
>screw everything together real tight.  And he means "real tight" too.

What's wrong with using Teflon tape?  I've been using it for well over a 
year now, with no problems.  Seems to me that tightness won't guarantee 
against a leak, unless you are using malleable metals.  And what if you 
ever have to unscrew something?!
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- Jack O'Leary

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