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
SADDLE AND HANDLEBARS — HELPERS PEDALS
"Dear editors! Read in issue No. 7 article "Reinvent the wheel!", long thought, what I'd like to see him. The picture I painted your project..." Dima Kovalev, 13 years old,...
HOW TO SAVE THE THREAD
It is useless to try to saw off the screw with a hacksaw: broken thread, the nut cannot be screwed on the warped teeth first turns. But the same operation will be quite successful if you...