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3M™ Petrifilm™ E. coli/Coliform Count Plates
The 3M Petrifilm E. coli/Coliform Count Plate is a sample-ready-culture-medium system which contains Violet Red Bile (VRB) nutrients, a cold-water-soluble gelling agent, an indicator of glucuronidase activity (BCIG), and a tetrazolium indicator that facilitates colony enumeration in food and beverage samples.
These plates provide both E. coli and total Coliform Count information with confirmed results in just 24-48 hours. By eliminating subsequent confirmation steps required with most traditional reference methods, the 3M Petrifilm E. coli/Coliform Count Plates can help increase productivity and reduce overall lab costs.
Three easy steps offer fast, easy-to-interpret results:
1) Inoculate - 3M Petrifilm E. coli/Coliform Count Plates are easy to inoculate. Lift the top film and add sample.
2) Incubate - The space saving design minimizes incubator space requirements.
3) Enumerate - Count the colonies. Confirmed coliforms are red or blue colonies with associated gas bubbles. Confirmed E. coli are blue colonies with associated gas bubbles. Results are fast and accurate.