ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-46-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Antibiotic Medium No. 5 # QB-48-0139 Bacteriological Peptone # QB-46-10700 Nutrient Gelatin # QB-68-3420 Malt Extract # QB-42-11500