Hi all,
Had a huge 30 gallon brewday on Sunday - 10 gal imperial red, 10 gal Nugget nectar clone (freshopped!), 5 gal oktoberfest lager, and 5 gal pumpkin ale. The problem is my fermentation chamber isn't big enough to hold everything at a single temp (two chamber set-up). So, some brews initially fermented at ~75° for between 24 to 48 hours before I was able to get everything down to 60. The good news is everything is holding nicely at 60 and fermentation is still very active.
So, my basic question is whether the off flavors/chemicals that are usually associated with high temperature fermentation (esters, isoamyl acetate, fusels, etc.) can be "cleaned" up by yeast if they are still actively fermenting at a lower temp. In other words, at what point have you gone too far down the warm path to fix the problem.
What's done is done, and wouldn't have been an issue if it we weren't suddenly smashing heat records (100+F) in the PNW, but I am curious how this will turn out.
Any thoughts? Predictions? Could be an interesting experiment, though tough to replicate
PLOVE
Had a huge 30 gallon brewday on Sunday - 10 gal imperial red, 10 gal Nugget nectar clone (freshopped!), 5 gal oktoberfest lager, and 5 gal pumpkin ale. The problem is my fermentation chamber isn't big enough to hold everything at a single temp (two chamber set-up). So, some brews initially fermented at ~75° for between 24 to 48 hours before I was able to get everything down to 60. The good news is everything is holding nicely at 60 and fermentation is still very active.
So, my basic question is whether the off flavors/chemicals that are usually associated with high temperature fermentation (esters, isoamyl acetate, fusels, etc.) can be "cleaned" up by yeast if they are still actively fermenting at a lower temp. In other words, at what point have you gone too far down the warm path to fix the problem.
What's done is done, and wouldn't have been an issue if it we weren't suddenly smashing heat records (100+F) in the PNW, but I am curious how this will turn out.
Any thoughts? Predictions? Could be an interesting experiment, though tough to replicate
PLOVE