Do you have an older toilet that annoys you with the sound of water trickling after you flush, long after it should have shut off? Have you tried adjusting and bending that big, frustrating, slimy rod ...

To turn off the water supply to the toilet, rotate the shutoff valve clockwise. This valve is typically found on the wall behind the toilet or on the floor. Hold the toilet handle down to empty out ...

If your bathroom toilet keeps randomly turning on and off at irregular intervals and you have a newer style valve without a float arm and ball, it is probably time to replace the fill valve seal ...

This might not necessarily be a problem that needs a plumber ...