Q: The caulk around our bathtub turns black in spots from mildew. How can the stains be removed? A: Here is a system that always works for me: Soak strips of toilet tissue in chlorine bleach and wad ...

Question: I try to keep the bathroom as clean as possible, but the caulk around the bathtub and shower stall is black. Can you tell me how to clean the caulk or how to replace it if that is necessary?

Though caulk often lasts for years, it doesn't stick around forever. If yours has become discolored, has developed cracks, or has begun to separate, it's time for a new application. Before you can lay ...