TartanFrog
Contributor
thanks for all the input. It was seeming like a lot of overkill when I was talking with some of the people. I guess I can chalk that one up to being a noob.
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For recreational diving I would not worry about it.
Although others may have had different experience, in 40 years of diving I have never
had a gauge fail underwater (including some fairly extreme dives).
Just dive, gain experience then if a gauge does fail it is no big deal (assuming clear ascent to surface, ect).
Your backup gauges are with your buddy.