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I don't think it's that your bathroom is unclean, it's that the pipes smell bad.
Go to the roof of the building and wrap the hole on the windward side of the sewer exhaust outlet a little.
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Change the floor drain and connect the U-shaped pipe to the column basin.
Here are a few great ways to get rid of the smell of the toilet:: >>>More
1.Ventilation, exhaust.
2.Check and replace the floor drain. >>>More
Three ways to remove toilet odor.
1 Just place 1 cup of balsamic vinegar in the toilet and the smell will disappear. Balsamic vinegar is generally valid for 6 to 7 days, that is, the balsamic vinegar is replaced every other week or so. >>>More
How to check for toilet odor Steps:
1. Find out the source of the smell in the bathroom, mainly floor drain, toilet, sink drain, ventilation fan (whether there is a window or not). >>>More
You can use smokeless candles, which have a fresh smell and can effectively remove indoor odors.