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” hole. 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 is 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!

Ti Sutherland, Master Plumber – Sutherland Plumbing, LLCSink Overflow Hole

 

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