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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Liam McCabe For any budding DIYer, re-caulking a bathtub or sink is a rite of ...