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can we kick start the fermentation process once it slows down?
Rank: Junior Member Groups: Registered
Joined: 12/22/2012(UTC) Posts: 19
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"Ive had a pure barley malt recipe fermenting for seven days so far. The potential abv at the start was 17%. It seems to have quit bubbling so I just took a reading and measured 8%. So if I subtract the eight from seventeen im left with only 9% . So my question is what can I do to keep the fermentation going to get close to my origanal 17% potential.
Thanks Frank"
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Rank: Junior Member Groups: Registered
Joined: 12/31/2012(UTC) Posts: 51
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What temp are you fermenting at? Any chance it got too hot or cold? Did you try giving it a stir at any point so far? Did you allow for the offset of your reading?
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Rank: Junior Member Groups: Registered
Joined: 12/11/2012(UTC) Posts: 21
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"Heat belt
Did you airate before adding the yeast?
AA"
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Rank: Junior Member Groups: Registered
Joined: 12/22/2012(UTC) Posts: 19
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It is in a climate controlled area. The first week it was bubbling strong. I thought I was going to have something strong to start with , then it died. You think I can add more yeast? !
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Rank: Junior Member Groups: Registered
Joined: 1/17/2013(UTC) Posts: 67
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What kind of yeast are you using? You know bakers yeast won't yield over 14abv...How many grams of yeast did you use? What size mash do you have? And was your mash roughly 65 to 85 degrees? Did you just pitch the yeast or did you make a starter?
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Rank: Junior Member Groups: Registered
Joined: 1/17/2013(UTC) Posts: 67
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And yes adding more yeast will work..but make sure to activate the yeast before pitching also keep in mind bakers yeast will not yield over 14..in fact you shouldn't push it beyond 10percent abv. The dead yeast in your mash maybe produce off flavored depending on how much you used..
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Rank: Senior Member Groups: Registered, Moderator Joined: 7/25/2009(UTC) Posts: 2,209
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" Originally Posted by: AAIndigo Heat belt
Did you airate before adding the yeast?
AA my first question??? then what yeast did you use-- a starter bottle??? more info on the pre pitching process please you now have a lot of alcohol in ther already"
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Rank: Junior Member Groups: Registered
Joined: 12/22/2012(UTC) Posts: 19
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Thanks for all the responses. I used a turbo Pure 24 yeast that I bought from Brewhaus. My goal was to try and get four gallons of beer to 15%abv. I dissolved the malt extract about 1/2 gallon at a time on the stove and put it into a five gallon plastic water bottle. When I got close to my third gallon I took a reading than added room temperature distilled water to the warm beer and got to a 17% abv reading. The temp of the beer at this point was only 85 degrees so I pitched the entire sache of yeast directly into the bottle, shook it up real good and put the airlock on it and within 15 minutes it started bubling. Here it is a week later and it quite bubbling and my ABV is only 9%. I realize that is probably plenty to distil, but I was expecting more.
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Rank: Senior Member Groups: Registered, Moderator Joined: 4/14/2010(UTC) Posts: 1,666
Was thanked: 15 time(s) in 15 post(s)
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"You said you had a pure barley malt wash....did you add sugar??
you said -- I used a Pure 24 Turbo yeast, well that means that yeast will start and finish in APPROXIMATLEY 24 hours.
If you added no extra sugar just what the malt supplied well I bet its done and thats all you get."
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Rank: Senior Member Groups: Registered
Joined: 1/27/2012(UTC) Posts: 526
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Taste it to see if it's still sweet. If not it's done.
Also you need to be useing your specific gravity meter before pitching yeast and then check SP with it when ferment stops and that will give you your ABV. If you try useing an alcohol meter on your mash it will give you a false reading. Alcohol meters are only good in alcohols not beers which is what a mash is.
If tastes dry and not sweet run it.
Oh BTW bakers yeast is really hard to push past 12%. Turbo's, if done in steps, can go up to 20% without having off flavors, maybe more but I have'nt tried it yet.
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Rank: Junior Member Groups: Registered
Joined: 12/22/2012(UTC) Posts: 19
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What a mess. I tried running a gallon of my barley malt mash the other day and it foamed up something horrible and came pouring out the coil and spilled all over the floor. Not a good thing to happen in your kitchen. I was monitoring the temp as close as I could, but it seemed like the difference between a nice slow drip and foam was only a couple of degrees. I ended up adding two pounds of sugar and some brewers yeast to it to in hopes of getting it to ferment a lot further than it did. Running a normal sugar wash is a lot easier for me.
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