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8 answers

Ok yeah everyone is gonna say Gross! But am told pee also shows up under the black like could be just anything really acidic.

2006-08-12 15:57:04 · answer #1 · answered by Gary 3 · 0 0

You can buy the pen at any big craft store that has that kind of ink.

2006-08-12 15:55:52 · answer #2 · answered by Lisa the Pooh 7 · 0 0

it's lemon juice on a dried up texta

2006-08-12 15:55:27 · answer #3 · answered by Anonymous · 1 0

most lightly acidic liquids'll do their stuff--try lemon juice, vinegar, and, oddly enough, onion paste. =P

2006-08-12 15:59:05 · answer #4 · answered by kae 4 · 0 0

lemon juice

2006-08-12 15:55:32 · answer #5 · answered by MRS. A 3 · 1 0

i have heard that liquid tide laundry soap glows with a black light. though i am not sure you could write with it.

2006-08-12 15:56:37 · answer #6 · answered by pam s 2 · 0 0

i think it's just lemon juice

2006-08-12 15:51:55 · answer #7 · answered by zitro_divad 2 · 1 0

Its actually cat piss. GO FIND A CAT.

2006-08-12 15:52:46 · answer #8 · answered by Krusd 4 · 0 0

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