Re: Marking pen/pencil for cassettes???

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From:Shirley Powell <> (by way of histonet)
To:histonet <>
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Do not have an answer for the fading but have devised a way to keep the pens
from drying out so fast.  I published this in our newsletter MICROTIME in the
past and seems to work fairly well, at least the need for replacements has
been reduced.  Fill a small container, about 4 to 6 oz with melted paraffin,
allow to cool and almost solidify, then place a cap to one of the Secureline
pens, open end up, into the paraffin with about half inch extended above the
surface of paraffin.  Allow this to completely harden, then when using a pen,
in between blocks, place the pen you are using into cap.  Prevents you from
recapping because when using the pen, laying on the counter uncapped usually
dries them out faster.  Also storing tip end down keeps the ink flowing.
Simple but effective.

Shirley Powell


> Histo-workers,
>         We've had problems lately with our cassettes losing or fading the
> surgical numbers after processing...  I'm not sure if it's the cassettes
> or the pencils and markers.
> We've tried...
>         *Official "Tissue-Tek" pencils, (they were the worst, believe it
> or not)
>         *Regular #2 pencils  (some brands work better than others)
>         *Secureline markers (which STILL fade and tend to dry out much
> too quickly)
> What have you-all found to work best?    Many thanks,  Sandosis
> PS Please don't tell me to contact the vendor, been there, done that,
> yadda, yadda,       yadda.   (Can't switch vendors either, we "have a
> contract")
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