How To Make Glow-In-The-Dark Slime, Because Playtime Isn't Limited To The Daylight Hours

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If you thought the DIY slime trend was over, think again. There's regular slime, glitter slime, edible slime, even butter slime, named for it's appearance and spreadability. And now, of course, there's glow-in-the-dark slime. It was really only a matter of time before this slime variation got its moment in the sun... or dark, as the case may be. With the kids out of school, you might be looking for more things to do to fill your days. If so, you need to know how to make glow-in-the-dark slime.

Like other slime varieties, glow-in-the-dark slime isn't a new concept. But as kids' preoccupation with making slime continues, they're probably looking for additional, new-to-them recipes that'll entertain them. Unlike other variations, however, glow-in-the-dark slime requires the addition of a product that glows in order to make it glow-in-the-dark. The most common ingredient tends to be glow-in-the-dark craft paint, but though anything luminous, like glow powder, will do. YouTube channel MonsterKids even uses the ink from a neon highlighter to make glow-in-the-dark slime. So feel free to get a little creative.

MonsterKids on YouTube

In order to make glow-in-the-dark slime, you first need water and the components of your favorite slime recipe. Like with other slime recipes, you can use glue, Borax, liquid starch, Epsom salts, cornstarch, salt, liquid detergent, powdered fiber, and so many other ingredients, based on what you feel comfortable with and what you have around the house.

Combine them to make your basic slime. Then, add your glowing ingredient. The color of your finished slime will depend on the color of glowing ingredient you choose, so keep that in mind when deciding what to add. Neon yellow and green appear to be common choices, however, highlighters, for instance, also come in neon orange and pink, so you do have some options (test it out with a black light if you can and you'll know for sure if it'll work before you add it). According to A Pumpkin and a Princess, you can double up on your products that glow by adding some glow-in-the-dark food coloring to your slime, along with another glowing ingredient.

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If you're going to stick with glow-in-the-dark craft paint, which is readily available at most craft stores, you likely need several tablespoons to really make your slime glow. A Pumpkin and a Princess and Science Notes both recommend using about three tablespoons of glow-in-the-dark craft paint for slime. You need less glow powder, however, if you're going that route, because it's more concentrated. Science Notes recommended one teaspoon. The quantity of glow product that you need depends on what you're going to use to make your slime glow-in-the-dark.

Ultimately, glow-in-the-dark slime is likely easier to make than you'd think. There are a variety of products from which you can choose that will add both the requisite amount of glow and pop of color to your slime and make it the most show-stopping slime you've made to date.