Took mine out to see if they were stuck at 10%. They are not but they are all over the place
Got a total of 10. They were all pretty much in agreement when new. Now there are huge differences.
Seems like getting stuck at 10% is only part of the problem. My thinking is they slowly drift apart until they drift so much they get stuck at their lowest reading (10%).
So even if you see they are not stuck doesn't mean you can trust them.
PD: the middle one came with the polydryer. Can that one be trusted? #technology source