Brewing Engineering Quotes

“Cell counts use an extremely small sample.  Less than one tenth of a milliliter is placed on the slide.  The actual volume of cells that are counted is typically 20 nanoliters.  That's 0.00002 milliliters.  On top of that the sample typically needs to be diluted twenty to forty times from the slurry density.  Another way to think about it is the number of actual cells that are counted.  In a typical liter of slurry there may be one trillion cells, of those, only about 500 are actually observed.  Don't”
― Steven Deeds, Brewing Engineering