All about sink overflow holes…

Stinky sink? Many times my clients complain of a constant, persistent foul odor in their bathroom that’s reminiscent of a “wadded up wet towel left in the bottom of the hamper for a week or two”. Oh, no!

Most all lavatory sinks have what’s called an “overflow”. By design it allows water to flow down the drain – in the event the sink were to fill too high – and not over the top & onto the floor. Unless of course the drain was plugged or slow draining but that’s an entirely different story.  The image below is a common bathroom sink with the overflow in the back of the sink. Some sinks have the overflow hole in the front of the sink – same thing just different design. Often this overflow area can collect foul mildew smelling bacteria. Simply flood the overflow hole with plain white vinegar to kill the bacteria. Use a funnel, or perhaps simply cup your hand as to divert the Vinegar into the hole or just let it glug out of the bottle into the hole. Nothing fancy, remember plain white vinegar is cheap and it’s hard to use too much.  Repeat as needed!

Sink Overflow Hole

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