The temp varies from corners to center and any varience of hieght within your incubator. It may be your moving your thermometer around so getting many different readings. In the still airs your looking for 101 F at the top of the eggs.
Heat sinks really help a lot to stablize and expand your zone/area of ideal temp.
Heat sinks really help a lot to stablize and expand your zone/area of ideal temp.
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