Dear James: I am a real stickler about keeping my bathroom clean, but the caulk around the bathtub and sink always has black mildew. Is there anything I can do to stop it, and how can I remove the old ...

Dear James: As hard as I try to keep it clean, there continues to be some dark mildew on the bathroom caulk. Should I just remove the old caulk and redo it? — Nick H. Dear Nick: You can continue to ...

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 ...