thermometer question

[d1]

I have 2 of them in the incubator 1 mercury and one digital

mercury reads 103/4
digital reads 99

what one do I set my incubator by?

 

[Ridgerunner]

Might I suggest you calibrate them before you make that decision.

Rebel’s Thermometer Calibration
http://cmfarm.us/ThermometerCalibration.html

 

[rancher hicks]

Told at the ALBC conference that when you have more than one to take the average.