Unless you’re a Type 1 diabetic throw your sticks away. You’re body modulates keystones, as required, up and down, through the day. You’re body knows better than the sticks. Trust your body’s process. If you’re sticking to low carb then you’re in ketosis.
This happened to me recently. My keto mojo told me my blood sugar was kind of low and my ketones were “HI”. Which I assume meant too high. It felt out of balance for me, so I ended my strict fast. Normally, the numbers I get can be calculated into a “within normal limits” of ketosis (GKI). Since I do read the numbers and couldn’t calculate that morning, it seemed the safest thing to do was to eat a little something.