Dirty water coming back up through your drain is never a good thing. It is even worse if there is sewage with dirty water. The most common reason this happens is due to a clogged drain. When you have a clogged drain it indicates there is a sewer issue that causes sewage backup through your bathtub drain.
How do you unclog a bathroom sink overflow drain?
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Quote from Youtube video: 3 pour hot water into the sink overflow hole be careful at this point. So it doesn't splash on you the hot water will further release the clog and push through the buildup freeing the overflow hole.
How do you clean an overflow sink?
Quote from the video:
Quote from Youtube video: Other allow the vinegar. And baking soda to sit for about 15 minutes so they can work their deodorizing. Magic using the boiling water carefully flush the overflow drain.
How do you clean sludge out of water pipes?
Quote from the video:
Quote from Youtube video: First turn off the shut-off valves located under your sink twist them clockwise as far as you can next turn on the hot and cold faucet taps to release any water that is still on the lines.
