Is a Sharpie safe? - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 04-03-2007, 01:33 AM Thread Starter
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Is a Sharpie safe?

I have a 20g set up as a growing aquarium, I am using plastic cups with substrate to grow them in, I want to label the cups, but I am worried that a sharpie ink will mess up the water or kill my rasboras. Any ideas.
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post #2 of 11 (permalink) Old 04-03-2007, 06:37 AM
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Don't know for sure, but the pet stores often write on the bag with sharpie and then tell you to float the bag in your tank....

Something so expensive and addictive HAS to be illegal. I'm just waiting for the police to break down my door and confinscate my fish food.
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post #3 of 11 (permalink) Old 04-03-2007, 01:36 PM
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Well, I don't think I would throw a Sharpie in the tank, they've got Toluene or Xylene or something toxic like that in them (all "permanent" markers do.) But I wouldn't think that the little bit of ink you use writing would be that much of a problem. If you're still concerned about it (and you have the money) you could use a label maker loaded with laminated tape. I don't know how long that would last underwater, but I've made labels from these types of tapes to label some of my plants and flowers outside and they show no sign of wear or fading after two years. A moderately priced label maker can be had for under $50. The tapes are a bit more expensive, around $18-20, but they last a long time (also handy for labeling plastic storage bins that have "stuff" in them .)

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post #4 of 11 (permalink) Old 04-04-2007, 03:48 AM
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I have a Sharpie in hand and it says on it:

"Conforms to ASTM D-4236 Nontoxic"

These days I would assume that its nontoxic once dry anyway. I've never had any problems from them that I am aware of.....

HTH


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post #5 of 11 (permalink) Old 05-16-2007, 03:07 AM
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But people get HIGH off them sometimes[not me!]

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post #6 of 11 (permalink) Old 05-16-2007, 03:11 AM
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When and if the sharpie ink is dried, the chemicals evaporate... It should be fine.


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post #7 of 11 (permalink) Old 05-16-2007, 03:12 AM
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correct. non-toxic when dry.

"Some of the worst things imaginable have been done with the best intentions." - Jurassic Park

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post #8 of 11 (permalink) Old 05-16-2007, 05:48 PM
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you can't get high from sharpies maybe those really fat markers but not the standard sharpie
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post #9 of 11 (permalink) Old 05-16-2007, 09:15 PM
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^^ Drug Baron :P
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post #10 of 11 (permalink) Old 05-16-2007, 10:34 PM
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Quote:
Originally Posted by typically View Post
you can't get high from sharpies maybe those really fat markers but not the standard sharpie
Even the thin Sharpies kill my nose when someone is using it about 3 feet away, I HATE the smell... Maybe my nose is just to sensitive...

Rena Filtstar #137!
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post #11 of 11 (permalink) Old 05-17-2007, 01:08 AM
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LOL, total thread Hijack:
Dry Erase markers aer the worst\best.


OK, back to the question, I have never seen a problem floating a bag, but not sure how it would work long term submersed.

How about the glass paint(?) markers, and just write the name in front on the glass?

Or a label?

Walter

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--May the floor under your tank always be dry, and your glass clear!!!
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