What size tubs for egg boxes? How often to open egg box? Does the inside of the incubator need to be 89 or is it inside the egg box that should be 89 degrees?
It would all depend on the incubator being used. I have a converted freezer and have the temp set at 88.5 degrees in the incubator and the tubs temps are the same. As long as the incubator is sealed well and well insulated the temps should be constant throughout.