Grocott Methenamine Silver Stain (GMS) for Fungus & PCP - Room Temperature & Microwave Kit

View pricing for: Americas/Asia, Europe, Taiwan
Catalog No. Packaging Size Price Quantity
In Stock
Ships in 1-3 business days. Updated daily.

Out of Stock
Ships once in stock. More on the way.

Upon Request
Typically ships within 1 month. Will stock only when ordered. Cancellation restrictions apply.
25087-1 1 kit
In Stock: 3


GMS is used for the identification of Pneumocystis jirovecii and fungal organisms in tissue sections. This popular silver stain is ideal for use on tissue, aspirates and smears.

Staining protocol available for both conventional room temperature method and convenient time saving microwave method.

Kit stains up to 40 slides

Kit Components:

  • 3.8% Chromium trioxide aqueous solution (100.0 ml)
  • 1% Sodium bisulfite aqueous solution (100.0 ml)
  • 5% Silver nitrate aqueous solution (9.0 ml)
  • Methenamine solution (180.0 ml)
  • 5% Borax aqueous solution (50.0 ml)
  • 0.2% Gold chloride aqueous solution (100.0 ml)
  • 2% Sodium thiosulfite aqueous solution (100.0 ml)
  • 0.5% Light Green stock solution (20.0 ml)


  • Fungi, Pneumocystis carnii, histoplasma spp- black
  • Inner parts of mycelia and hyphae - rose
  • Leishmania spp, toxoplasma spp - negative
  • Mucin - dark grey
  • Background - pale green