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Invisible Printer Ink

video Invisible Printer Ink

Easy tutorial about making invisible ink for inkjet printer.Cool for making your important document more safe.
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37 comments

Jul 28, 2008. 10:29 PMunpicky says:

it would look very suspicious if you had a bunch of blank pages everywhere

Dec 19, 2011. 4:32 PMJustPrism says:

Type something else on every other line and make it look double spaced.

Oct 11, 2008. 3:01 PMJeebiss says:

Put them back into the paper package.

Aug 22, 2008. 11:18 PM

benthekahn says:

just put them in a drawer labeled blank paper.

Apr 10, 2009. 8:25 PMcornflaker says:

People will use them lol

Nov 6, 2010. 6:13 AMelmorom says:

Very cool instructions indeed,however i have tried it but the result were not good wit red uv ink. My solution was to purchase red uv invisible ink for printers from uvstuff.com and fill my own cartridge.For those interested above you can print any color in invisible using the main 4 color uv inks with a printer cartridges .Only by mixing those colors you will be able to print all others.

Jul 3, 2010. 5:28 PMeulaliaaaa! says:

You could also use lemon juice or milk

Apr 25, 2010. 6:32 PMzhangvict says:

You don't need to buy all those invivible ink pens to get the invisible ink. There is a brand of fountain pen ink called Noodler's Ink, which sells invisible UV ink, avalible from many online distributors.

May 14, 2010. 4:18 PMGlowInTheDark says:

Sorry to push my products, but this is for people whom need this type of ink and are having problems locating it.
Non flammable Invisible ink (will reveal blue when exposed to a UV Black light)
Invisible ink

Oct 27, 2009. 11:42 PMLance Mt. says:

Will it ruin the insides of the ink-jets? I was thinking about using 2 different black cartridges

Aug 16, 2009. 2:22 PMmaxpower49 says:

How do you know when you run out of invisible ink

Oct 27, 2009. 11:41 PMLance Mt. says:

It becomes permanently invisible.. lol

Aug 22, 2009. 11:04 PMdioblo2345 says:

oh i forgot to say over a candle!?!?

Aug 22, 2009. 11:03 PMdioblo2345 says:

awesome instuctable..also you can use lemon juice and when you want to see it hold i about 3-7 inches away from the flame. make sure the paper doesnt burn though..

Apr 22, 2008. 10:45 PMpyelitegamerro76 says:

oo great idea, but you also wouldnt be able to print in any other colors besides the primary colors other than yellow because the printer mixes the colors to form other colors. it would just be easier to replace the black ink and only print in black.

Aug 16, 2009. 2:22 PMmaxpower49 says:

or have two different black cartages

Nov 8, 2008. 11:14 AM

dombeef says:

no wait use a different color black light ink!

Aug 23, 2008. 11:02 AMTrebawa says:

My thoughts exactly. In addition, my printer has an option to print whatever you send it in grayscale only using the black cartridge, so one could print solely in invisible.

May 1, 2009. 12:27 PMfwjs28 says:

very good videography! and song selection....sounds like a cool trick..

Apr 23, 2008. 11:13 AM

Weissensteinburg says:

Wow! Just hope no one tries to use the seemingly blank paper afterwards =]

Apr 26, 2009. 12:07 PMlclippard says:

even if they did use the paper, theoretically the invisible ink would still show up and be legible when viewed under a black lamp, b/c the filtering effect of the glass would block the "regular" ink.

Apr 26, 2009. 12:18 PM

Weissensteinburg says:

Good point.

Apr 5, 2009. 10:25 PMunknown24 says:

where can i buy invisible ink pens?

Mar 10, 2009. 3:54 PMatari130xe says:

Dos formulas para tintas invisibles: 1.-Sulfato de Quinina disuelto en agua destilada. 2.-Fluoresceina Sodica disuelta en etanol. Two formulas for invisible ink: 1.-Quinine Sulfate dissolved in distilled water. 2.-Fluorescein Sodium dissolved in ethanol.

Sep 20, 2008. 6:48 AMresidentevil5 says:

Does this work for all ink cartridge?

Oct 11, 2008. 3:00 PMJeebiss says:

Any cartridge that uses a sponge reservoir.

Aug 31, 2008. 9:34 PMjj32x says:

genius.

Jun 21, 2008. 4:23 PMsxiong says:

this would be a cool project, unfortunately ink cartridges are so expensive... it cost as much money buying ink cartridges as putting gas in the car

Jun 21, 2008. 5:43 AMKnowlege_Vortex says:

PRINTER UV INKS RECIPE

VISIBLE YELLOW

Fluoroscein Disolved in water
Acridine Orange Disolved in Ethanol

VISIBLE RED

Rodamine Disolved in Water

VISIBLE BLUE

Not Ready

INVISIBLE YELLOW

Zinc Sulfide doped with Cadmium Sulfide (Doped with microwaves)

INVISIBLE RED

Zinc Sulfide doped with Manganese Sulfide (Doped with microwaves)

INVISIBLE BLUE
*Zinc Sulfide doped with Silver Sulfide (Doped with microwaves)
*Naphthalene disolved in Cyclohexane
*Aminomethylocoumarin Disolved in DMSO (Dimethylosulfoxide)

INVISIBLE GREEN

Acridine Disolved in water with a few dropets of Sulphuric Acid

Please inform me about new methods.

Apr 29, 2008. 1:22 PM

moris_zen says:

Nice inst - why cant I rate it ?

Apr 26, 2008. 10:22 AM

rimar2000 says:

Very interesting.

Apr 26, 2008. 8:04 AMjoe57005 says:

good one. that will actually be better than just drawing with the invisible pens, since they may leave indentations in the paper.

Apr 24, 2008. 3:00 AM

RaisedByRobots says:

Excellent!

Apr 23, 2008. 5:50 PMJackhole says:

I think this is just about the coolest Instructable I have seen so far. Awesome. How hard is it to take out the ink from the pens, do you have some sort of technique?

Apr 23, 2008. 5:43 PM

LinuxH4x0r says:

Cool! might try this on an old inkjet I have.

Apr 23, 2008. 2:02 PMbenjgvps says:

That is genius! I think I would try it with a black in cartridge to save the work of changing the text color. I might try this if I get a spare printer.