ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-68-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Glucose Phosphate Broth # QB-68-1307 Eugonic LT 100 Broth # QB-46-1626 Buffered Peptone water # QB-1L-2104 Phenol Red Lactose Agar # QB-42-3595