No issues with lap swimming but I wear a 1 piece suit so the sensor in under my suit. If open to the movement of laps, I imagine the tape will need good over ride. Was also wondering about hot tub. Look forward to the answers.
I swim at least once a week. I usually put my sensor on my thigh and I find 2 things - first, I can swim for max of about 25 minutes if I want no problem re-connecting afterward; when I did longer it lost it and I had trouble getting it going again. 25 minutes or less works fine for my lap swimming. Second, because it is on my thight and not under my suit, I do worry about it coming off - and losing the sensor - so I use waterproof tape and 2 layers of adhesive and generally it is ok. Sometimes I feel it lose or sense it is loose so I cut my laps short. Next weekend I am doing a srpint tri and I plan on putting the sensor under my suit for that; I find putting the sensor on my stomach under my suit is better for swimming but more painful to insert so I tend to use my thighs where I have no problem or pain inserting. I have been told the hot tub is a no no on the sensor and it will shorten the life of it but I have not tried it.
I once took a long warm bath in a Jacuzzi tub with the sensor attached. It still worked afterwards, but later in the day it showed my BG dropping... rapidly. Below the measurable level of the sensor actually; it gave me a low warning. The ISIG was 3, or something like that. (I had been doing yardwork and my BG was running low, but I had more than corrected for it and was at about 140 when the CGM said I was low). Maybe the sensor had just reached it's end-of-life, but usually when that happens, my readings tend to flatline, not go towards zero.
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