Shower door tracks get a buildup of stains and calcium deposits and can be cleaned with commercial cleaning products or a mixture of warm water and vinegar. See how to use a toothbrush to clean the dirtiest part of a shower with tips from a professional house cleaner and organizer in this free video on housekeeping. Expert: Ann Myrick Bio: Since 1997, Ann Myrick has been a professional decorator, house cleaner, home organizer and planner. She is the owner and operator of the Anntics Home Decorating Company in Nashville, Tenn. Filmmaker: Tim Brown