mksmith713
Contributor
Way too heated for my .02
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Azimuth straight out and back, and SPG for rule of halves (turning around at 1/2 SPG minus a small reserve) or rule of thirds is all you really need for NDL.
Until and if you get into tech diving, anything else would be a waste of time in OW1 or AOW.
Inappropriate in the sense that it goes beyond their ability to absorb and utilize it during their first course.
It is more appropriate to leave that concept for later courses.
Most appropriately either master diver or deco.