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Old 01-25-2009, 09:25 PM   #1
Jan 2009
Posts: 100

My fermentation held a temperature of 66 degrees for about 5 days. Now the temp is falling to about 63-64 degrees. is that a good indication that the fermentetion is ending? Also, say my hydrometer stays at a certian reading for a couple days indicating that fermentation done, is it bad to leave it in for up to 3 total weeks?

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Old 01-25-2009, 09:32 PM   #2
Sep 2008
Lafayette, CO
Posts: 494
Liked 2 Times on 2 Posts

Wait at least two weeks, then take a hydrometer reading every day for a few days until you know that it has finished. Going to a secondary for a couple weeks will also make it more clear.
Kelpie Home Brewery, Lafayette Colorado
Primary: Creek Dog Stout x2, Two Dogs IPA, Grinning Kelpie Wheat
Secondary: empty :(
In Bottles: Belgian Wheat

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Old 01-25-2009, 09:34 PM   #3
Sep 2005
Concord, MA
Posts: 167

A stable SG over 3 days tells u the yeast is done with the sugar. Leaving the beer on the yeast cake for 2 weeks will help clean up off flavors caused by the fermentation. 3 weeks in either primary or primary & secondary will lead to a cleaner, clearer beer and less sediment in the bottles. It's best to wait 3 weeks.
Primary 1: Palace Bitter
Primary 2: BC Rouge Dead Guy Clone
Primary 3: Hefeweizen
Secondary 1: Traditional Mead
Secondary 2: Toasty Palace ESB
Bottle Con: Goats Heavy Scrotum Porter
Bottled: Nothing:(
Next: APA or Irish Red

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