Newcomer Supply Schiff Reagent, McManus a crucial element in the Periodic Acid Schiff (PAS) Stain and for staining glycoproteins, epithelial mucins, basement membranes and fungal cell walls. Schiff Reagent, McManus is used in a variety of staining procedures that include: PAS with and without diastase, Alcian Blue/PAS for mucins, PAS/Light Green for Fungus, Feulgen Reaction for demonstration of DNA. Newcomer Supply Schiff Reagent, McManus, a crucial element in the Fungus, PAS/Light Green procedure, is also used for staining fungus and glycogen in tissue sections. Schiff Reagent, McManus is a stable and reliable product that is conveniently stored at room temperature for ready-to-use staining. Although initially colorless, Schiff Reagent, McManus when in direct contact with skin, clothing, countertops, floors and other surfaces, will react and leave a bright magenta stain that is difficult to remove. Shelf Life is 1 year from date of manufacture. Store at 15-30°C.