These bath bombs dry very hard and can fizz for up to two minutes.
Few drops food coloring or other colorant
1/4 teaspoon Borax (optional)
1-1/2 teaspoon fragrance oil or essential oil
3/4 tablespoon water
2-3/4 tablespoons Almond oil
1/4 cup Epsom salts
1/2 cup corn starch
1/2 cup Citric Acid
1 cup baking soda
Mix together the corn starch, Epsom salts, Citric Acid, and baking soda in a dry bowl.
In a separate small bowl or cup mix all the remaining wet ingredients together.
Add this the dry ingredients with a wire whisk, whisk fast when adding wet ingredients to prevent fizzing.
Press mix into molds.
This mixture will not look wet but it will compact easily into your molds.Leave to dry overnight. Store in closed tight container.