I have a pathologist who does skins for a derm guy.The derm guy puts 
his tissues in Excell Fixative,and when he gets them he puts them in 10% 
buffered formalin ,and i process them with the same.apparently the 
hematoxyln He says is to light,but my usual tissues skins included are just 
fine.any suggestions. please  Thank You Histojoe
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