Webgo to your local hardware store and get this soap concentrate stuff called odoban. Webmold in the bathroom is not just unsightly and smelly. With constant moisture and limited ventilation, bathrooms provide the perfect environment for mold to. Webit's possible you have growth in and behind the drywall, and it'll keep coming back. Mold remediation normally removes a foot or 2 around the visible mold and cleans and treats.