In a large bowl combine baking soda, citric acid, and epsom salts. Stir well.
In a smaller bowl combine coconut oil and essential oil
Slowly whisk in wet ingredients into dry. It should reach a crumbly consistency.
Your mixture is ready when you can mold it into a shape and it sticks without coming apart. If it is too crumbly, add in water, 1 tsp at a time. Mixture should be dry but able to hold a shape.
To shape your bath bombs either pack them into your molds or a large ice cream scoop .
Remove carefully and place on a baking sheet to dry for about 8-12 hours.
Enjoy in your bath!