Bath Bombs

Instructions

1. Mix the dry ingredients (1 cup baking soda, 1/2 cup of Epsom salt, 1/2 cup of corn starch, and 1/2 cup of citric acid) together in a large bowl

2. Use the whisk to make sure the mixture is clump-free 

3. Mix the wet ingredients (2.5 tablespoons oil, 1 tablespoon water, 2 teaspoons essential oil (optional), and 4-6 drops of food coloring) in a separate bowl

4. Slowly add the liquid to the dry mixture

5.  Whisk as you go, and slow down if things start to look fizzy

6. Immediately add the mixture into the ice cube tray

7. Press the mixture down firmly

8. Let the bath bombs dry then pop them out

9. Throw one into the tub and enjoy!

What’s Happening?

Baking soda, also known as sodium bicarbonate, is a key ingredient in the bath bomb, when the high pH powder reacts with a low pH acid, in this case the citric acid, it produces carbon dioxide bubbles, which is what you see coming up in the tub.

Recipe borrowed from https://www.popsci.com/how-to-make-your-own-bath-bombs/