Batz Brewery...Hand crafted beers from the 'Batcav
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Anyone ever had this Diacetyl , buttery , pop-corn thingy?
As a Lager Brewer, may I humbly suggest an amendment to JM's post (quoted above)...Jovial_Monk said:Yes the lager needs to be warmed up a bit before racking. Excessive aeration also seems to cause diacetyl, beers brewed with Yorkshire Stone Squares seem to have it.
That is one reason an ale should sit in primary for two weeks: the yeast cake will clean up the diacetyl and other faults. Since in summer the temperatures may be too hot to allow this (autolysis is a danger in summer) summer brews may have some diacetyl.
For hot weather brewing I suggest dropping (racking off the yeast with some aeration) at day two then bottling at day 7.
:blink: D'OH!PostModern said:TL,
I think the JM was talking about summer brewing ales.