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yle, Interesting. And that's Cozumel, not exactly off the beaten path for scuba.
I don't know about the crew/shop requiring you to analyze tanks yourself while they watch--instead of the other way around. The last time I dived nitrox was (I think) at least 5 years ago. I would feel better watching THEM do it, since I don't own an analyzer and basically analyzed my own only during the nitrox course in 2006. I do know that you calibrate for Air ( almost 21%) first, then check the nitrox tank--and I can read what it says when they analyze and I look at their analyzer. Then round up or down, etc.
Similarly, I don't own an O2 kit. I asked the shop owner to go over assembling it for me again and wrote down the steps, reviewing them once weekly (though when I was assisting courses I did play with the shop one now and again). Not gunna buy a $700 O2 kit for a situation that may occur once the rest of my life (especially when one is most likely to be on the boat along with crew that has used it regularly). Likewise with an analyzer. Not an exact analogy, but same idea.
I don't know about the crew/shop requiring you to analyze tanks yourself while they watch--instead of the other way around. The last time I dived nitrox was (I think) at least 5 years ago. I would feel better watching THEM do it, since I don't own an analyzer and basically analyzed my own only during the nitrox course in 2006. I do know that you calibrate for Air ( almost 21%) first, then check the nitrox tank--and I can read what it says when they analyze and I look at their analyzer. Then round up or down, etc.
Similarly, I don't own an O2 kit. I asked the shop owner to go over assembling it for me again and wrote down the steps, reviewing them once weekly (though when I was assisting courses I did play with the shop one now and again). Not gunna buy a $700 O2 kit for a situation that may occur once the rest of my life (especially when one is most likely to be on the boat along with crew that has used it regularly). Likewise with an analyzer. Not an exact analogy, but same idea.
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