[Histonet] black tissue marking ink

[Harrison, Sandra C.]

What are those folks involved in grossing using for black marking ink?
We use Black Cat India Ink, obtained at a local art store.  It seems to
stick fairly well to some tissue but not so great to pleural tissue, fat
and serosal surfaces.  We do spray vinegar to "set" the ink but on
occasion the inking doesn't survive overnight tissue processing.

Thanks,
Sandy Harrison
Histology Supervisor
612-467-2449