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If the decoration is still there, you can use the air pump to add water to open it, if it is blocked in use, find the property department to dredge, and the drainage outlet of the whole bath room should be exposed to the ground to dredge
It can be dredged directly with a steel wire dredge of more than 3 meters, which is usually caused by too much hair.
You're a bit stubborn as a neighbor. Try to say nice things to neighbors. Connect a few more times and say a lot of nice things. Hope it helps.
Pour in half a bowl of baking soda twice as much white vinegar and react to clean the stains, then pour in hot water. Baking soda and toilet water and laundry detergent, stir well with warm water, and pour it into the drain to prevent odors and small flying insects. Perfect.
First use the screws to remove the drainage cover, and then find a slightly softer iron wire or copper wire about one meter long, the end of the hook, reach into the sewer pipe, hook the blocked hair, if you are lucky, you can hook out a large clump of hair, the problem is solved. >>>More
As long as it is a regular product, the quality is guaranteed. >>>More