ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-48-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Wort Broth # QB-45-5522 Veal Infusion Broth # QB-48-5401 OGA Agar Base # QB-68-3494 Thioglycolate Gelatine Medium # QB-48-4810