- Joined
- May 20, 2021
- Messages
- 267
- Reaction score
- 171
- Location
- United states
- What state or country do you live in
- Kentucky
My tester keeps reading 00.0 when stuck in my tank. That’s not physically possible because everything would be dead lol. When I try to calibrate it the screen says .35 use thank the screen switches to error. Any advice would be appreciated. I’ve had it for a year to the warranty is up.

