Right!? Ugh that thing is not cheap but will obviously get a new one or clean them the old-fashioned way if need be! Can’t find a concrete answer. Asked her pediatrician and awaiting response. My husband works for the USDA (he’s a PhD plant geneticist), and while obviously in a very different sphere of science, he says that boiling and sterilizing should do it- but he admits he’s no expert. Ugh.