How to Use a Petrifilm Count Plate? - Biology Lab Techniques

Tutorial video for using 3M's Petrifilm Count Plate system for assessment of coliform bacterial load.
0:00 - Start
0:08 - Preliminary steps
0:35 - Microbial load estimation in liquid samples
1:36 - Microbial load estimation on solid surfaces
2:43 - Incubation

Video produced by Dr Guillaume Erard ‪@guillaumeerard‬
Techniques demonstrated by Ms Celine Michel as part of her IB Biology Individual Investigation.

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