1) the use of a lobby. In order to clean the pipes from blockage, the cables are tightly pressed to the drainage hole. Then it is necessary to make at least 10 sharp movements up and down, after which remove it with the same sharp movement. If necessary, make a session again. In the sink, when working with a plunger, there should be water covering its upper rubber. In order for the procedure to make it very important to block the plums in the bath and other sink.
