- Joined
- Jun 16, 2015
- Messages
- 262
- Reaction score
- 27
How do I know if my probe is bad? I have read tons of stuff on how to calibrate. I have done everything that everyone says to calibrate. No matter what I do it never reads 35 in the 53,000 solution. It always reads 31.7 If I can't read 35 in the 53,000 solution does it mean its bad?