has anyone tried the egg-o-meter for hatching. i have three thermometers two reading 100 degress and the egg-o-meter is reading 97.0 its been in my hova bator for two days fan running. one is digital from walmart the other came with the bator. have i wasted my money again. i think i am going to buy the spot check that the moderator talked highly of. thanks for any replies...................................