3M™ Petrifilm™ Total Coliforms Count

In as few as 22 hours, the 3M™ Petrifilm™ Coliform Count Plate identifies confirmed coliform levels in raw materials, in-process/finished product, and plant environment/equipment.  

Fast, Accurate, Results in as few as 22 hours 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 – Confirmed coliforms are red colonies which are associated with gas bubbles. A built in grid makes counting colonies fast and easy.

This Petrifilm Plate can also be read in 4 seconds using the 3M™ Petrifilm™ Plate Reader.  

Increased Productivity. Reduced Costs.  

No matter what food industry segment you’re in, you know that testing for coliforms is a traditional step in controlling overall quality. Unlike other microbial testing methods, 3M™ Petrifilm™ Coliform Count Plates are sample-ready and ready to use at any time to streamline your testing process.

There are no tubes, no agar overlays and no additional confirmation steps needed to get your results.  

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%. These labor savings allow you to address other priorities that can contribute to your overall quality assurance effort. The end result is better process control, a higher quality product and overall reduction in operational costs.

Click here to download a brochure for more information.

Click here to download instructions & interpretation guide.

Video of Tips on how to use Petrifilm plates with a foam dam. (MOV 1.2MB)