Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
For the enrichment, isolation and enumeration of Escherichia coli, coliform bacteria and Enterobacteriaceae in the course of food and beverage testing, Merck maintains a broad range of granulated, dehydrated culture media (DCM) in a variety of formulations