ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-1L-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Saccharose (Sucrose) # QB-44-4407 Tryptose Blood Agar Base # QB-45-5007 M Enterococcus , modified # QB-1L-2697 HC Agar Base # QB-39-2012