Crazing isn’t inherently a problem, but as Sam Andrew, ceramicist and director at Seven Limes Pottery , explains, crazing is a breakdown within the surface layer of dishware, the layer that makes it food safe. Is It Safe to Use Dishes with Crazing? If the table beneath is wet the next morning, water is passing through, and it’s probably not food safe. If you’re buying dishware solely to use for eating and drinking, then you might want to play it safe and avoid crazing. If you do decide to use dishes with crazing, there are a few steps you can take to mitigate any risk.