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It's sunken.
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Rub vigorously with a leather chuai sub. It's that simple.
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I use the floor drain with a special anti-odor effect.
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With stainless mesh floor drain, deepening, the effect of removing odors is very good.
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Floor drains are not very critical. A good sewer pipe is what you can't afford to be sloppy.
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Of course, it is best to prevent odor and anti-overflow steel floor drain.
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I think a regular PVC floor drain is the best!
This is a misunderstanding that everyone has, replacing the odor-proof floor drain can only ensure that the floor drain does not reflect the smell, and the main source of the odor in the bathroom is the exhaust smell of the sewer and the floor drain connected to the sewer. Basin. Toilet. >>>More
Generally, the floor drain cover is buckled, and then look at the card rod on the floor drain cover, and then align the card stick with the notch, pull it to open, don't care about the other side, just take it on the open side. >>>More
Install a drain drain that flows down from the room to the drain, and the drain goes up without smell.
Then change it.
Find a professional bricklayer. >>>More
Summary. Qinqin is very happy to answer your questions, I found that there are many holes in the floor drain cover, and a small hook is made with an iron wire, which can be hooked out when it reaches into the bend. >>>More