Count a plate!
Once again, let's take a breather from the theory and practice. This is one of the do-it-in-your-sleep kind, and it has two steps:
- Look at the dilution scheme to determine the total dilution factor
- Look at the plate and scale up to determine the total CFUs per mL.
Total dilution factor (decimal)
...to total numberHow many CFUs would there be
in 1mL of the original stock?
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