I am type 2 diabetic, for 10 years.For a few years, I am fasting the fasting glucose every day.I've been a season that has begun to appear higher than normal,

160, 170 ...

This morning again, so I measured the glucose at night when I got home and left me 185.

It seemed very high for everything I moved this afternoon.

And I started distrusting the meter so I tried another old one, and gave me 150 ...

It seemed more normal.

I have a Safe aq smart,

Thinking it was reliable.

How often do you have to change them?

Do they lose precision?

Which are the most precise?