One of the bowls doesn't drain all the way and it is sort of louder than what we expected.  We had it in the reception area but the water sound was too much when trying to speak to patients so we put it in the open area where we do our workshops and group sessions. So far it is good.  It requires at least 3-3.5 gallons of water to get a good flow and make sure you buy the algae drops to keep it flowing.