Add 2 tablespoons of baking soda.
Pour 1/2 cup of white vinegar.
Wait for the foaming interaction to subside.
Add 20 drops of tea tree oil.
Add 10 drops eucalyptus oil.
Fill the rest of the bottle with cold water
There are many uses from sanitizing the dining room table or mold on drywall. Cleaning up urine on carpet and treating athlete's foot on feet and in contaminated shoes. This is my favorite all-purpose cleaner. It doesn't wash windows well, see this blog for Natural Window Cleaner Recipe.