The water bowl or water calyx is also called the tea calyx, wastewater bowl, waste tea calyx etc. It is used for holding the waste water and tea dregs, and other wastes during the tea appreciation process. It could also be used as a container for collecting the tea cups or tea ceremony related accessories. Some people use water bowl to clean the tea cups before using them. Normally the water bowls are made of porcelain, pottery or stainless steel.