Yes the 40s are from the failing libre. I don't trust any of the Libre readings from today. He was 85 at +2 and 100 at +9. Those are my only Relion readings today.
I have found many times if they linger for many hours in a low range (say 40s or Lo on the Libre) the Libre can shut down and stop working.
My theory is (unscientific, but what I have observed in using it for 3 years) the Libre, since designed for human use, must have a safety feature, and if it stays in that low range for numerous hours, the Libre must think it is defective and there must be an error. So it shuts itself down so that the human would install a new one.
You and I seem to have similar readings when our cats read in those 40s or 50s.
They are still safe and under 100 or in the 100s.
It makes it difficult when they get into those very low ranges while using a Libre and it errors and stops working.
Not everyone’s cat seems to read the way our cats do. What I mean is the range is closer between handheld meter and Libre.
So, it is good to be able to test your cat, as you know to make sure where they are.
And you are doing a great job in being able to do that with Owl, especially since you have to use his paw pad.





