Due to high humidity levels, mold can sneakily build up in bathroom corners and crevices. Porous surfaces in the shower, such as grout and caulking, are especially vulnerable to mold and mildew growth ...

Q: I was reading your column and wonder if you could clarify your answer to "Upset Over Brown" asking about his now-brown caulking around the bathtub. You mentioned that if the joint was between the ...