Introduction: How to Make Magic Mud - From a Potato!

Picture of How to Make Magic Mud - From a Potato!

It's mind-blowing to think this stuff is in our food!  Here's how to make a glowing "magical mud" from ordinary potatoes.

For more videos, check out:

Step 1: Watch the Video!

WARNING: This substance can make quite a mess, so make it in an area that will be easy to clean up. It's non-toxic, and perfectly ok to eat in small quantities, however, use of video content is at own risk.

Step 2:

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This magical glowing mixture is very strange, because it handles like pizza dough, but the instant you stop moving, it liquifies and melts into a glowing goo.

In this project you'll see how to turn your ordinary garden potatoes, into a fluorescent magical mud.

Step 3:

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Get started by grabbing a big bag of potatoes, and wash the outsides so they're all nice and clean.

Now chop your potatoes as small as possible using a food processor or any other method.

When you've got your potatoes reduced to tiny bits, slide them all into a large mixing bowl, and pour in enough hot water to cover them completely.

Now just stir this around for a few minutes and don't let the water stand still. You may have noticed the water turning red, and that's completely normal.

Now grab a strainer and another large bowl, and separate the potato water from the chunks, then watch closely as something incredible begins to happen.

Step 4:

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After about 10 minutes, you can see a strange white layer appears at the bottom of the bowl.

Now if you try pouring everything out, you can see a new white layer stays in the bottom of the bowl.

The goop is a little bit dirty, so to clean it, try mixing in a bit of fresh water, and pouring it into a tall thin container, like a glass or a jar.

When the lid is on tight, just shake it all up again, then let it sit for another 10 minutes.

Once again, you'll see it separates into layers, and this time, almost all the impurities are collected in the middle.

Now check this out. If you quickly dump out the water, it takes most of the impurities with it, leaving you with a very clean, and magical substance.

It kind of looks like milk, but if you try stirring it around, you'll see it behaves very strangely.

Now if this goo is left out for a day or two, it will crumble into a powder without much effort at all. And that's exactly what you'll need to take this to the next level, and add the glow.

Step 5:

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The magic happens with a bottle of tonic water, because it contains quinine.

If you turn on a black light, you'll notice the water fluoresces, and the whole bottle looks completely supernatural.

Step 6:

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Go ahead and put a few spoonfuls of your magical white powder in a bowl, then try mixing in small amounts of tonic water to see what happens.

In just a few seconds it becomes amazingly difficult to stir, because the magic goop hardens, every time you push on it.

With a little patience, everything should combine, and behave exactly the way it did before. The difference this time, is that now it's fluorescent.

Now if you turn on some black lights, the magic mud takes on a mystical glow, and looks and feels a lot like pizza dough, as long as you move it around constantly.

If you pause for just a second though, the dough collapses into a glowing goo, and slimes down between your fingers. But maybe that's ok, as long as you're in the mood to make a mess.

Step 7:

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I tried pouring some out of a flask, and rather than dropping straight down, you can see it actually flowed out in a rippled wave.

It's mind blowing to think this stuff is inside our potatoes, but if you don't feel like going to all the trouble to get it out, just use cornstarch instead. It will work exactly the same.

Well know you know how to turn ordinary potatoes, into a glowing magical mud, that's non-toxic, easy to make, and even safe to eat.

By the way, you can still eat the potatoes as well. I tried loading mine into a waffle iron and made some toasty golden hash-browns. Well that's it for now.

If you liked this project, perhaps you'll like some of my others. Check them out at



random_builder (author)2017-02-11

This is a great idea, but I don't like that you have to have a black light to make it glow.

chanci pratt (author)2016-01-19

so cool this is going to be my science project

davalena6 (author)chanci pratt2016-02-17

i like your idea

myremma123 (author)davalena62016-12-05

No its a bad idea

K3NTA8IA (author)chanci pratt2016-02-05

I'm doing this for my science fair project right now

chloe.southworth.3 (author)2015-01-05

What if the waters brown?

Does that mean its not going to work???

No not at all

it is okay if the water turns red or brown just

no it probably still work or continue stirring

lxktra (author)2016-01-20

has anyone tried it with cornstarch?

myremma123 (author)lxktra2016-12-05

Yes it works id rather do it with pataos, it is more interesting and there is a whole science behind it.!!!!!

J8dymn (author)2016-09-16

How many patatoes do u use

myremma123 (author)J8dymn2016-12-05

You can put as much as you want. For example: if you want a little bit of mud than put around 5 patatos, but if you want a lot of mud then you put a lot of patatos!!!! I already tried, trust me im correct!!!!! :)

BreBreTurner (author)J8dymn2016-10-11

you use about 20 potatoes

myremma123 (author)2016-12-05

How come my magic mud doesn't turn into a powder plzzzzzz someone answer we need to do this for our project!! :(

The cloud 1808 (author)2016-02-24

Weird but cool

davalena6 (author)2016-02-17

that is what i am doing

davalena6 (author)2016-02-17

hi peps

Hewkii (author)2015-08-11

Can you add iron fillings to it?

AideR (author)2015-04-29

how can i get enought of the white liquid.. cuz i did it but i barely see the white liquid and i use a whole bag of potatoes.

shawna.b.portillo (author)2015-04-20

My daughter wants to use magic mud experiment for a science fair project. She needs to include a graph or a chart for the project. Does anyone have any ideas on what to put on the graph or chart?

NathalieE (author)2015-04-10

does this really work

Boygasmo (author)2014-03-13

You could purchase a highlighter pens for neon green, pink and other colors. Break it open and put little amount in and it would have different colours? Just an idea!

does it work...have u tried it

No I have not... but obviously neon high lighters do glow under black light. Raves and such.

topseyturvey! (author)Boygasmo2014-03-13

Clever! :D

Boygasmo (author)Boygasmo2014-03-13

Just not gonna be eddible.

mokshita.khurana (author)2015-04-09

brown colour does not appear... wat to do... need urgent help pls

zuzanna.pusz.1 (author)2015-04-08

how hot does water have to be, because i put the kettle on and i stopped it half way so the water wouldn't be boiling. I put the water into the boal with the chopped potatoes and the colour went really light brown. It's see through, so would it still work

buttfacemonkey18 (author)2015-04-02

How long do you have to stir it? And when I did stir it, the water stayed clearish,not brown. I'm I doing something wrong? Help.

bijan22 (author)2015-03-08

Coolest thing ever

bestfriends2458 (author)2015-01-31

this is a amazing idea

MercedesM1 (author)2015-01-23

what do u use?

Maddiehendricks (author)2014-11-25

I need your name for my science fair I'm doing this for science fair !!!i need last first and middle initial

did you know why it reacts like this? i want to use this in my science fair too but i have no idea why it reacts in that way

nselch (author)2014-06-28

I made it and it keeps solidifying

Harry'ThorneH (author)nselch2014-12-28

That's what happens when you push on it or theres not enough water

myranda.ramirez.7 (author)2014-10-07

what happens if the liquid is brown


emily.steere.12 (author)2014-10-09

what makes it turn into pouder

Leaving it out too long

Nishi2001 (author)2014-12-07

how to make this without tonic water?

Harry'ThorneH (author)Nishi20012014-12-28

Basically you do the step and if it dries out just add water again :)

amielR (author)2014-11-06

what is the cornstarch recipe?

AyakaH (author)amielR2014-11-12

half cup water, one cup cornstarch.

sparkles.nutter (author)2014-10-23

Dose it really work ??

myranda.ramirez.7 (author)2014-10-07

what happens if the liquid is brown

lumpyspacePrincess410 (author)2014-07-12

That's amazing

apashine (author)2014-06-09

what is the magic powder???

nselch (author)apashine2014-06-28

corn starch

About This Instructable




Bio: Random Weekend Projects
More by The King of Random:5 Ways to Start a Fire, Using Water How to make a Batarang like "The Dark Knight"How to Make Ninja Stress Balls
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