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Here’s a cheap way to decorate with detergent and a black light for halloween… Tetranitrate writes – “All that is needed is a blacklight and some uv paint. A cheap substitution for the paint is liquid laundry detergent; I used tide with bleach alternative, but almost any kind will do. Laundry detergent glows under UV light because phosphors are added so that when the clothes are in sunlight they appear brighter. A pretty clever/sneaky (depends on how you look at it) trick by the detergent companies. The black light I used is a 30 in. Phillips 20W bulb stuck in a plastic holder that used to hold the light for my fish tank.”Link.

Related:
Halloween on MAKE! – Link.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.


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  1. ehrichweiss says:

    I was actually going to write EXACTLY such an article a couple days ago but then got distracted when I discovered a favorite author(Robert Anton Wilson) is dying soon and destitute. Hate to bring everyone down with that but if you’re a fan go to boingboing.net and they’ll tell you how you can help.

  2. ehrichweiss says:

    I was actually going to write EXACTLY such an article a couple days ago but then got distracted when I discovered a favorite author(Robert Anton Wilson) is dying soon and destitute. Hate to bring everyone down with that but if you’re a fan go to boingboing.net and they’ll tell you how you can help.

  3. ehrichweiss says:

    I was actually going to write EXACTLY such an article a couple days ago but then got distracted when I discovered a favorite author(Robert Anton Wilson) is dying soon and destitute. Hate to bring everyone down with that but if you’re a fan go to boingboing.net and they’ll tell you how you can help.

  4. ehrichweiss says:

    grrr…sorry for the reposts