Dear James: 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 ...

Q: My landlord’s novice repair person caulked around the bathtub — twice. Both times, the caulk pulled away from the wall. Why? And what’s the right way to do it? A: New caulk doesn’t stick well to ...

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 ...

It seems I am forever recaulking my shower and bathtub. I have used DAP and silicone products with poor results. The DAP products shrink and crack and the silicone is a pain to clean up. Both seem to ...

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?