Originally Posted by
jiejie
I have always done so. In Beijing I'll rinse mouth and toothbrush out with tap water then again with bottled. Maybe Shanghai also. Everywhere else, bottled for all rinsing operations.
While I rinse the toothbrush with tap and then bottled, I never put the tap water in my mouth--bottled only. That said, I suspect there are many better ways to catch something bad in Beijing than the tap water in a good hotel.