Old style thermometer vs. combo thermometer/hydrometer

dyoungen

In the Brooder
5 Years
Mar 28, 2014
8
0
30
I have an older incubator that I've been using for a number of years with some success. I bought an old style thermometer a few years ago. the glass thermometer with the numbers on a plastic sheet behind it. This year I bought a combination thermometer hygrometer. I've got the thermometer and combination layed on top of the eggs so I can see it thru the windows. The thermostat I've got set at 100 degrees and having good success hatching chickens and guineas. When I got the combo thermometer/hygrometer I velcroed it next to the older thermometer. The older thermometer reads"100 degrees" and the combination thermometer/hygrometer reads "102 degrees" . The older thermometer olny goes down to "70" degrees so I can't tell if it's right or the comco is right. Any ideas to tell which is right?
 

ChickenCanoe

Enabler
Premium Feather Member
10 Years
Nov 23, 2010
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St. Louis, MO
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