ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-39-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Dextrose Salt Broth # QB-48-1154 Antibiotic Medium No. 2 (Penassay) # QB-48-0136 Thioglycolate Gelatine Medium # QB-44-4810 Luria Bertani Broth, Lennox # QB-1L-2403