ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-46-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Glucose Phosphate Broth # QB-42-1307 Arginine Decarboxylase Broth # QB-46-1093 Lactobacillus Peptone Water # QB-45-2316 Tryptose Broth w/ Thiamine # QB-42-5209