HELP!  HELP!  HELP!   We are having lots of problems with our markers (we're now using StatLab).  The writing smears and smudges when we fix tissues in PenFix, from a combination of the grease from the fat and the alcohol in the PenFix.   What is everyone using to mark cassettes that will be fixed in alcohol-based fixatives?   ANY suggestions are welcome!   We cannot at this time buy a cassette marker machine.   Are there pencils that work well?   Our Tissue Tek pencils used to smear also, but maybe there are better ones?
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