Diagnosing a toilet leak? There's a rubber gasket that sits between a toilet tank and the bowl called a spud gasket. It works with the flapper valve to control the flow of water between holding tank ...

Q: My toilet is causing me fits. The water from the tank is slowly leaking into the bowl, and I can’t figure out why. I have replaced the flapper, but the problem persists. What else should I do? A: ...