Methylene blue, counterstain for acid-fast stain procedures, and other uses. An aqueous solution of methylene blue.

An aqueous solution of phenol, glycerine, isopropyl alcohol, rhodamine B and auramine O.

An aqueous solution of basic fuchsin, phenol and reagent alcohol. "Hot method" requires heating of the slide.

Acridine Orange (fluorescent stain for bacteria in body fluids) 0.025% w/v. An aqueous solution of acridine orange.

Auramine O Stain Kit includes one 8 oz. bottle of each of the following: Auramine O Fluorescent Decolorizer Potassium-Permanganate

An aqueous solution of potassium permanganate.