Quote:
Originally Posted by enderwig
Most of the literature that suggests removing from primary at 4-6 days has been deprecated by newer research. Attenuation is not the only thing that the yeast is doing in there, they clean up some of the other by-products of fermentation. Nearly every brewer that has tried longer primaries have had favorable results.
I never move to secondary until my hydrometer says so, its not an time thing. If its not quite done, taking it off of the yeast cake early will cause it to stall and never finish (under attenuation). That right there is most likely your problem.
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What's funny, is this is not new information. It has been in print since the late 80's with studies to back it up. We homebrewers just got around to reading it I guess.