Stoo
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Like I said before, people would be going hog wild if someone advocated for "lite" cave diving. There is no lite deco.
Respectfully, I don't agree. Blowing off an actual decompression stop of a minute or two (as indicated by most PDCs) will likely not result in a hit in the vast majority of people. Even of the person is bent, it will almost certainly come in the form of a skin bend, which may well be treated by sucking some O2 on the boat and/or a wee chamber ride. This is "deco-lite" and it's ENTIRELY different than that required on a "serious" dive... multiple stops at various depths, using different gasses and totalling many minutes. Blow those stops and you are going to get seriously messed up.
By contrast, once someone is inside a cave and well away from the entrance, they can no longer ascend directly. Period. It's dark, and getting lost is an obvious risk and I would suggest that a cave diver can get "just as lost" 150' in as they can 1500' in. Lost is lost. (Been there, when I was much younger, and much stupider.)
I am not advocating "sliding" in to decompression diving lightly, but the reality is, that we are all doing decompression dives anyway... ascending at a prescribed rate is a form of decompression. A safety stop is decompression stop. It's just one that if the diver blows it entirely, it's very forgiving.
Moving from a "required safety stop" (which, by definition, isn't really a thing) of 3 minutes to a 2 minute decompression stop AND a safety stop really isn't a big deal IMHO, but I agree that it shouldn't be undertaken without at least some basic knowledge of what could happen if you blow it.
Through all of this I will add that I am assuming the divers in question are "competent", can hold a stop, and won't run out of air.
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