"DIY Heavy Duty Cleaner for Every Surface: Easy, Powerful, and Natural"

In a large measuring cup or bowl, combine the warm water and vinegar.

Add the baking soda slowly (it will fizz!).

Stir in the Castile soap and essential oil, if using.

Pour the mixture carefully into a spray bottle using a funnel.

Shake gently before each use.

Serving and storage tips (Usage and Storage Tips):