Usually in the cistern of the toilet in an actuator of a shutoff valve on the lever set hollow plastic float. If its integrity is violated, it fills with water and stops working. As a consequence, continuous noise of flowing water, condensed moisture on the tank, dampness and mold.
Radically and just to correct the situation will help a stick of foam, which you must impose on the lever instead of the float.
Recommend to read
“ELECTROPICA” FOR MY GRANDSON
When my grandson Grisha began to grow and stopped paying attention to previously favorite toys-rattles, the home began to notice that he started to show interest in different instruments...
HOOD-INVISIBLE
For many years I am a subscriber of the journal "modelist-Konstruktor". Many find useful for themselves. Some of the ideas I use is from the column "the Club house masters", and today he...