Not sure if you’ve noticed, but if you’ve been shopping for vanities recently you may have noticed most manufacturers are making bathroom sinks without the overflow drain. Why the change? They have removed the overflow holes because it creates the opportunity for unwanted bacteria in the bathroom. Per manufacturers, “Most overflows are designed so that they cannot be cleaned and, over time, will develop mold and mildew that usually will require the homeowner to change out their basin.” Is that true? Let’s destroy one and find out. What does that look like to you?