How to Make Glow in the Dark Water: The Ultimate Guide

Do you want to know how to make glow-in-the-dark water? It’s a lot easier than you might think. This guide will walk you through the steps necessary to create your glowing water. This is a fun project that the whole family can enjoy, and it is perfect for parties and other special occasions.

Method 1: What do you need to create this?

You need the following things:

  • A glass of water
  • A yellow/green highlighter
  • A light
  1. First, take out the inner part of the highlighter.
  2. Then press the ink out into the water.
  3. Stir the water around until it is mixed in.
  4. Let the highlighter inner part in the water soak it properly.
  5. Put under black/UV light
  6. Now you have your glow-in-the-dark water.

Turn off the lights and enjoy.

Now that you’ve made your glow-in-the-dark water, it’s time to turn off the lights and enjoy. The absence of light activates glow powder. So when you turn off the lights, your glowing water comes to life. With a little patience, you’ll see how long it takes for your glow-in-the-dark water to stop glowing completely and how bright it gets at its brightest point.

You can also reuse this batch of glow powder by adding more vinegar or other liquid ingredients into a new container and letting them soak overnight again before rinsing out with clean water and using it again. This makes for an easy way to make even more fun projects without buying more supplies or spending hours mixing up another batch from scratch each time.

Method 2: Making glow-in-the-dark water only takes a few steps.

First, add glow powder to the water. With this method, you’ll use an opaque container with a lid that fits tightly onto the top so that your glowing water stays separate from any air bubbles.

Next, stir well. The more thoroughly you mix the two ingredients, the brighter your glowing liquid will be when it glows in the dark.

Finally, turn off all lights and enjoy. Your glowing concoction will stay illuminated for up to several hours after exposure to light, so there is no need to rush things. If you want even more illumination from your glowing drink or another glowing object (like a lamp), try shining another flashlight at it from different angles; some light sources work better than others for turning objects into sources of light themselves.

How cool is that? Show your friends and family this neat science trick. They’ll be amazed at what you can do.

Which is the best method?

There are four methods for making glow-in-the-dark water: using highlighters, using neon paint, using glow sticks, and using a black light (2 ways already mentioned above).

Highlighters are the most popular method because they produce the best results. Of course, yellow highlighters work the best, but pink and green highlighters can also be successful. Just be careful not to saturate the water with darker colors.

Neon paint can also be used to make glow-in-the-dark water. However, this method is less popular than highlighters because it can be more challenging to get the desired effect.

Glow sticks can also be used to make glow-in-the-dark water. However, this method is less popular than highlighters or neon paint because it can be more difficult to get the desired effect.

Finally, a black light can be used to make glow-in-the-dark water. This method is less popular than highlighters or neon paint because it can be more difficult to get the desired effect.

Frequently Asked Questions:

What makes glowing water glow? 

The water is glowing because of tiny chemicals called “phosphors” inside the liquid. These phosphors emit light in response when you shine a light on the water. Different phosphors emit different colors of light, so this is why the water can sometimes glow blue, green, or another color.

Does vinegar glow under black light?

No, vinegar does not glow under black light. Black lights can only make particular objects glow, like some white clothing or unique papers.

Can I use any kind of water for this project?

Yes, you can use any kind of water for this project. However, distilled water works best because it has no impurities that could affect the final product’s color.

Can I mix glow powder with water?

This glow powder can be mixed with water-based mediums. Be sure to try it out on a small area before use, as some people may have a skin sensitivity to the ingredients.

Does Vaseline glow under black light?

Yes, Vaseline does glow under black light. This is because of the presence of petroleum jelly in the Vaseline, which glows bright blue under a black light.


Now that you’ve finished reading our guide, do not forget to try your new glow-in-the-dark water at home. You can also share this easy science trick with your friends and family. Make sure no one falls in the pool when you turn on the lights. After all, everyone needs an excuse to get back out of the house if they see a ghost floating around.