Thanks for the work Saun.
Pitching more than .8 to 1 million per degree plato/ml has little increase in fermentation rate, and pitching much more than that reduces yeast growth. 10 to 12 million/ml is the sweetspot.
Originally Posted by Briggs
The actual pitching rate used varies considerably between breweries and rates of 5 to 20 million cells/ml of wort are common depending on the specific gravity of the wort. An optimum level is considered to be 10 to 12 million cells/ml and this should result in a reproduction rate for lager yeast of 3 to 5 times.
This is 15P wort.