Posting for a friend. Replay to shernandez <@t> st-joseph.org Is there any negative effect on IHC and Special Stain with the use of buffered Zinc Formalin? Thank you. Susan Lin S. Bustamante, B.Sc.; HT(ASCP) Research Associate Histology Lab Supervisor Veterinary Integrative Bioscience Texas A&M University College Station, TX 77843-4458