We "store" our molds in alcohol and glycerol.  No sticky for us.

Kelly Pruitt wrote:

> Hi Histoland!  I need help.
>
> What can I do to keep my base molds from sticking to my blocks?  We clean them in xylene and then soap and water.  We air dry them.  We treat/spray them while they are clean with Histo Prep after they have air dried.  I give them a good coating when I use the Histo Prep.  The larger molds are usually good for one use.  On the biopsy molds, they stick every time.  It doesn't matter what I do.
>
> We have bought some of the plastic disposable molds, but they slow embedding down for me.
>
> Does anyone have a clue what the problem is?  Does anyone know what I can do?  Please help!
>
> Kelly S. Pruitt, HT (ASCP)
> Texas A&M University
> College of Veterinary Medicine
> Dept. of Veterinary Anatomy & Public Health
> Histology Laboratory
> College Station, Texas 77868-4458
> kpruitt@cvm.tamu.edu
> phone: 409-845-3177
> fax: 409-847-8981