Do you like making and playing with ooey-gooey slime? Do you want to learn more about slime, including some really cool recipes for slime? Then keep reading!

Bubbling Swamp Slime is another recipe from The Slime Book. The most unusual ingredient this slime calls for is xanthan gum. I borrowed some from my mom, who keeps it in the house to make gluten-free recipes for a family member. You will make this slime in two parts.


In a bowl, combine:

    • 2 cups white vinegar
    • 1-1/4 teaspoon xanthan gum
    • Green food color or a mix of other colors to make a murky green color

First, stir the ingredients together. I found it helpful to use a wire whisk to spread the xanthan gum evenly throughout the vinegar. It’s OK if the mixture is a little lumpy, though. I couldn’t find the food coloring, so I used green coloring from our soap making supplies; after all, this is a non-edible recipe. I ended up with a pale green color.

Put this mixture in the refrigerator for a few hours until it has thickened. If you have to leave it for longer, that’s all right, too.


Once the mixture has thickened, you’re ready for part two!

Place a thick layer of baking soda in the bottom of a clean bowl (in the photo here, I just put baking soda in the sink because I didn’t have another large bowl).

Cover the baking soda with your slimy mixture. It should bubble as the vinegar and baking soda react with each other, LIKE THIS!