The 3M Petrifilm E.Coli / Coliform Count (EC) Plate is a ready-made culture medium system which contains Violet Red Bile (VRB) nutrients,a cold-water-soluble gelling agent, an indicator of glucuronidase activity, and a tetrazolium indicator that facilitates colony enumeration. Petrifilm EC plates are useful for the enumeration of E.Coli and coliform bacteria in the food and dairy industries and are decontaminated though not sterilized.
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