You have a running toilet for one of two reasons: Either water is leaking from the tank into the bowl, or the fill tube is refilling too much water into the tank, activating its overflow tube. You should be able to stop either problem quickly by adjusting the flapper, float, or tubes. Often, running toilets are an easier to fix than homeowners think. In fact, you may be able to stop your toilet from running right now, without leaving your home for supplies or getting your hands dirty. If your toilet keeps running… and running, try making each of the following simple adjustments. The adv...