It's always The simplest things I have a hard time remembering. Anyway... with the O2 tank you have a regulator and the key right? When using the key on the tank, tightening all the way to the right that just keeps it or prevents leaks is that correct? And loosing it bleeds off pressure? Or what? Thank you to anyone who clears this up for me. As you can probably tell I'm new to this, still going through schooling.
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