3M Rapid Coliform Count Plates


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3M™ Petrifilm™ Rapid Coliform Count Plates



The 3M™ Petrifilm™ Rapid Coliform Count Plate may detect coliform contamination in as early as 6 hours.


The 3M™ Petrifilm™ Rapid Coliform Count plate is designed to provide a fast, accurate result in 4-24 hours. High coliform contamination can be detected beginning at four hours, with presumptive coliforms being recorded at 14 hours. Faster information means detecting process or contamination problems and being able to act on them to minimize the cost. The fast result is available with three easy steps: 


1) Inoculate - 3M™ Petrifilm™ Plates are easy to inoculate. Lift the top film and add sample 
2) Incubate - The space saving design maximizes incubator space and 
3) Enumerate - In as little as 4 hours, you can start to see distinctive yellow zones. Confirmed results are available at 24 hours.


3M Petrifilm Rapid Coliform Count Plates provide the most cost-effective, convenient and reliable confirmation method for testing equipment, raw materials, food products and the manufacturing environment enabling you to monitor critical control points more frequently. 

  • Results in as few as 4 hours, you may see distinctive yellow zones. 
  • Negative results in as little as 14 hours. 
  • Confirmed results are available at 24 hours. 
  • A built in grid facilitates counting colonies, giving you fast, precise and accurate results. 
  • Faster results leads to faster quality assessment and action on products tested. 
  • Increased technician labor productivity. Reduced costs. 
  • A survey of 274 plants who converted to Petrifilm Plates from traditional agar methods found an average labor savings of 45% and an average increased technician efficiency of 80%. 

    Our full line of easy-to-use 3M Petrifilm Plates can provide you with many benefits over traditional methods: 

  • Accurate results in three easy steps: inoculate, incubate and count 
  • Improved efficiency 
  • Reduced labor costs 
  • Standardization of methodology 
  • Consistent and reliable test results