THE FACT ABOUT BIBO CRYSTAL THAT NO ONE IS SUGGESTING

Hygroscopic crystal materials deteriorate when they are not usually retained in sufficiently dry air (or a dry purge gasoline). This is applicable e.g. to KDP and BBO, As well as in a lesser extent to LBO. It may be beneficial to help keep this kind of crystal in a to some degree elevated temperature, that makes it much easier to keep it dry.Kingwi