Ingredients 1 cup water 1⁄4 cup liquid Castile soap 20 drops essential oil of your choice Directions Combine ingredients in a 22-ounce spray bottle. Spray product into bowl and then scour with a toilet brush. Share this content. facebookpinterestlinkedinredditemail Contributor The Taste for Life Staff The Taste for Life staff come from a wide variety of backgrounds and specialties. We believe learning is a life-long process, and love to share the knowledge we gain. Tags: cleaningDIYenvironment