Tea tree oil has many uses for housekeeping. You can prove to yourself how well it works to kill mold and mildew with this simple test: Put 2 teaspoons of Australian tea tree oil in a spray bottle with two cups of water. Don’t rinse. Spray the mixture on something musty. Let the smell dissipate (it will take a few days). The smell of mold and must will be gone, too, never to return as long as the source of moisture has been removed.
Here are five smart ways to use Australian tea tree oil at home: