What should I do if there are black particles in the squatting position in the bathroom of the new h

The squatting toilet in the bathroom renovated by the new house is good with a wrench-type delay flush valve.

All you can say is that you have bugs in the toilet. Insecticide spray to cut the bottom of it. It is impossible for the pool to come out on its own. They're just hiding that.

The squatting position in the bathroom is dirty, so it should be scrubbed frequently, rinsed after the toilet to avoid unsightly stain deposition; Second, it is necessary to squat in a correct posture to prevent the outside of the stool, especially when diarrhea, and be careful to defecate to avoid 'scattered flowers'. >>>More

The toilet squatting in the toilet of the school teaching building is not enough for the five squatting positions, and the main water pipe and water distribution pipe are all 32It's enough, and you can use a smaller 25 cm... >>>More

In fact, this mainly depends on how you flush the water, if it is a delay valve 32 pipes as the main water pipe, the school's water supply demand with a relatively large flow rate is not enough. Because there are many people who go to the toilet after class, the flow rate of 32 pipes and 3 flushes at the same time is not enough. It is recommended to use a water tank for water supply, which is basically enough for water supply, and there is no need to worry about the flow problem.