I mentioned it in the written review above, but it bears repeating here - you can thank Chad Doane for this review.  I read in his recent " What's on Their Desk " interview at Office Supply Geek that his daily arsenal consists of the Sharpie Ultra Fine Permanent M
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FLUORESCENT (which show up under black light but otherwise. Always replace the lid after each use. Be aware that there is a limited amount of ink, so
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