Deteriorated caulk around a bathtub, sink or shower is not just unsightly. If the caulk develops leaks so that water gets into the walls behind the fixture or onto the floor under it, damage such as ...

Using a razor knife, you should try to cut away as much of the hardened caulk as possible. The flat razor scrapers used by painters to remove paint from glass work pretty well. If the caulk is too ...