Hello,
We had problems using merchrochrome  also.  Our problem was that the
merchrochrome fluoresces.  We use Phenol-Auromine AFB stain and it
interfered with the interpritation.  Now we put dilute eosin in the last
ROH on our processor.  The needle bxs are easy to see as well as other
small bxs.
Jan M 
At 09:31 AM 4/19/99 EDT, KRomoJHuff@aol.com wrote:
>We need to have an alternative to marking our prostate needle biopsies.  We 
>have been using merchrochrome (not sure if I spelled that right) but need to 
>have something that colors other than red.  Any suggestions?
>
>Also we are having a tremendous amount of debris in the H&E staining line.  
>We use an automated stainer and have changed, filtered and bleached 
>everything possible and still the debris remains.  Help.
>
>