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Adding Color to Your Fizzy Bath Bombs

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Option 1 - Add the Colorant with the Liquid Phase

Adding Liquid Colorant

Adding Liquid Colorant

David Fisher
Perhaps the easiest option is to add the colorant into the liquid phase. You can use either water-based or dry colorants - as long as they are water soluble. (Micas and oxides disperse in water, but they are not water soluble...and the results in the bath tub can be a bit unpredictable. I don't recommend them.)

As I outline in Step Three of Making Fizzy Bath Bombs, add the liquid colorant to the water/borax mixture before you add your fragrance oil. If you're using a water soluble dry colorant, add enough water to it to make it equal a half teaspoon or so. (Remember, you can always add more water later.) Shake well...and mix the wet and dry phases together. The color will be evenly dispersed throughout the bath bomb like the green ones in the previous picture.

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