Changed my mind mid-fermentation...can I do this? - Home Brew Forums

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Old 12-03-2009, 02:25 AM   #1
Sep 2009
Posts: 47

I just brewed an American Hefe that I planned on adding raspberry concentrate to (half of the batch at bottling time). The other half would just be a regular American Hefe.

Here is the recipe:

Wheat Liquid Malt Extract 4.5 lbs
Briess Carapils Grain .61 lbs
Briess White Wheat Grain .54 lbs
Amarillo Hops 1oz
Raspberry flavoring 4oz
White Labs WLP320 - American Hefeweizen Yeast 1

However, I got to thinking...can I rack half of the batch into my secondary, and add some orange zest...and make an orange wheat out of it?

Then of course leave the rest in the primary, and add my raspberry concentrate at bottling, to the rest? Is leaving half a batch in the primary a bad thing?


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Old 12-03-2009, 02:32 AM   #2
Nov 2009
Posts: 9

My take on it is that as long as there is enough fermentation still going on to flush the air out of the carboys to prevent oxidization, then why not.

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Old 12-03-2009, 02:28 PM   #3
david_42's Avatar
Oct 2005
Oak Grove, Oregon, USA
Posts: 25,595
Liked 153 Times on 144 Posts

No problem. In both cases, there will be enough CO2 to blanket the brew.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"

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Old 12-03-2009, 04:09 PM   #4
Dec 2007
Bryn Mawr, PA
Posts: 744
Liked 22 Times on 22 Posts

I tend to agree with the above posters, but they've both identified the major concern: if you rack to secondary too late in the process of fermentation, then you will have far too much headroom in your secondary, and the wort will oxygenate. (Bad for flavors.)
Primary 1: Hasty IPA
Primary 2:
Secondary: Soured Golden
Kegged: American Wheat
Bottled: Belgian Golden Ale.
Planning: American Amber

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