We are setting up out first incubator for ball eggs, have hatched many a chick but first time for the snakes. My husband is building it and is putting a fan on the inside to cycle the air around. The fan is a little loud, it kind of sounds like a blow dryer on low. My question is: will it harm the eggs/developing embryos at all to be around this sustained noise until hatching? Does it matter because they don't have ears? Or does the vibration bother them? We might just put it on a rheostat and turn it down to lessen the noise. But if that's not necessary, why waste the time, and energy of doing it?

Thanks for your help!

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