MOM Tip: Eco-friendly, Economical Cleaning Tips: 3 key areas, Showers, Floors, Toilets. Tired of cleaning mildew in your shower? keep a spray bottle filled with distilled white vinegar in your shower and spray after each use. Vinegar kills mildew, germs and bacteria and is very inexpensive. It also removes odors, and the odor of vinegar will dissipate quickly.