Sanitizing this overlooked area in your home weekly eliminates odor-causing bacteria that waft unpleasant smells. And a simple DIY solution does the trick.

To bleach mildew and mold stains, mix 1/4 cup hydrogen peroxide with 1/2 cup water in a spray bottle. For best results, spray the stains with solution, scrub it in a bit and then leave to dry. Dispose ...