Hi All ,  I am getting a smudge of AEC chromagen on some of my 
slides. It is on both tissue and slide indiscriminately. Sometimes 
pale , sometimes quite heavy,it even shows up in the deletion 
negatives.
    Has anyone out there had the same trouble?

      Thanks ,
             Margaret
Margaret Horne ,
Histology Teaching Assistant,
Dept. of B.SC.,
Atlantic Veterinary College, U.P.E.I.,
550 University Ave., Charlottetown,
P.E.I.,  C1A 4P3 
Canada