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Spray the insecticide directly into the floor drain, close the door, spray more, and it is best to go to the supermarket to buy the kind with strong insecticidal power.
There's no other way.
By the way, clean your bathroom thoroughly.
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Eighty percent of them flew out of the sewer, and they poured insecticides directly into the sewers.
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There must be a sanitary blind spot that you haven't found, go buy a bottle of toilet cleaner, sterilize and deodorize. Scrub the bathroom thoroughly.
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Just cover the floor drain with rubber!
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There are a lot of things to look at on this website, and if you solve it, you can not forget to give me some points.
Generally, not.
If the underwear is in a dark and damp place to it is possible. >>>More
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Those are tide insects, it turns out that our bathroom also has this kind of small black worm, now often keep the bathroom dry, there will be no such insects, more ventilation, do not let the bathroom often in a damp environment will be much better.
Putting some orange peel or tea leaves can remove the odor, and when the smell is gone, there should be fewer insects. You can also put some mothballs, which can also have the same effect.
Explain that there is a damp place, check it, and rinse the floor drain with hot water.