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Home » Lifehacks

Ingenious Science Project: How to Make Glow in the Dark Water

Modified: May 2, 2017 by Elisabeth Kruger · This post may contain affiliate links · 9 Comments

Wow cool project! Ingenious Science Project: How to Make Glow in the Dark WaterWho needs glow sticks when you have water, right? I found this cool little experiment of making fluorescent water and my mind instantly went into overdrive contemplating how I can make use of this interesting fun fact. Well, first and foremost, if you have kids they’ll definitely love this experiment! It’ll be a great way to blow their little minds, especially since it’s so quick and easy to do. And once you’ve glow-ified your water, you can store it in a bottle and, unlike glow sticks, it won’t fade.

All you need to do is take a non-toxic highlighter and cut it open to remove the ink-soaked felt inside. Slice that tube open to release the ink and then just soak it in water for a while or squeeze the ink out if you want it to go quicker. Then you just need to put a UV light (black light) to it and it’ll light right up!

Although the highlighters are described as non-toxic, and despite what the video says, I definitely wouldn’t recommend drinking this.

If you want someone’s actual beverage to light up which they can still drink safely, just pour them a glass of tonic water and bring that to the UV light. The tonic water will light up on its own! Although the bright blue glow may make it look radioactive, we all know that tonic water is safe to drink. Tonic water contains a chemical called quinine that comes from the bark of a specific tree; this natural-occurring chemical has actually been used to treat malaria for centuries. Even though there is such a small amount of the bitter-tasting quinine dissolved into the water, when under a UV light, it emits a fluorescent glow all on its own.

Similar Project:  Amazing DIY Tips for Cleaning and Shining Stainless Steel Appliances

Pretty cool, huh?

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  1. lIsa

    September 05, 2015 at 6:16 pm

    Use tonic water with quinine and it will do the same thing yet it is safe to drink.

    Reply
    • meg

      January 03, 2016 at 7:43 pm

      ya, but if its not under blacklight will it still glow? whats the point if you cant use it w/out the blacklight?

      Reply
      • Amani

        January 18, 2016 at 4:39 am

        Wow your really really good!!!???

        Reply
  2. Dakota

    September 30, 2015 at 6:48 am

    that is amazing I so have to try it

    Reply
  3. Anchal

    June 25, 2017 at 10:50 am

    I think you should also mention what is the science in it as i have a school project to do so please do it and one more thing dont take it negatively it is just a request and the experiment was superb ✌✌?????

    Reply
  4. Evelyn

    January 12, 2019 at 8:42 pm

    How would you tell if the tonic water is tonic water from a blue highlighter?

    Reply
  5. Anonymous

    January 21, 2019 at 6:30 pm

    cool is it a chemical change?

    Reply
    • landen

      April 13, 2021 at 6:15 pm

      yes!

      Reply
  6. Anonymous

    March 09, 2020 at 6:55 pm

    can you use it with out a black light you should also show the science init

    Reply

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