Classic Gill 1 is a low dye concentration most often used for Cytology. Used progressively, this formulation optimally stains both gynecological and nongynecological specimens. Produces exceptional nuclear clarity. The delicate staining makes Gill 1 useful for Cytology and as a nuclear counterstain for special stains and IHC. Available for purchase in a 500 mL container or 1 gallon rectangular F-style container, designed for easy storage and dispensing.