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Are mashed grains more agressive fermentors than extract?
Seems to me that may be the case! Every time I make the stout I make it is a very agressive fermentor andI used the same yeast that I use to make a couple other beers that don't ferment as strong. While I do use one or two grains along with the extracts in the other beers the total amount of grains is highest in the stout. So am I correct in assuming that the grains are the reason for the agressive fermentation? I am currently fermenting the stout at 60 and even lowered it a couple degrees in hoping it slows it down as I am changing the airlock a lot and even had one blown off. Seems the fermentation isn't slower at 60 as it was at 72. So I think when the grain bill becomes a certain percentage of the fermemtables vs extract it could be the reason for the agressive fermentation. Or have I typed all this for nothing?
DC
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