Attempt at enlightened DIR discussion

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I like that SADDDD; it complements the GUE EDGE. There is some overlap but they include different things.

I know I would have to think about gas planning more if I was doing deeper dives. My buddy and I have dissimilar tanks, but we just each calculate our own turn pressure - is there something more we should be doing?
 
MGR, for those of us who had to think a minute, being Minimum Gas Reserves, or what used to be known as "rock bottom". HERE's a good basic discussion of it.
 
http://cavediveflorida.com/Rum_House.htm

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