A stuck fermentation is when the yeast stop fermenting early, leaving the final gravity reached considerably above the expected final gravity. Can be caused by temperature swings, poor yeast condition or using a strain with insufficient alcohol tolerance.

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First Time Airlock Won't Start

EDIT: I see from this post and from elsewhere on the Web that a bubbling airlock is apparently not an indicator for fermentation, as there could be a leaky lid. Regardless, doesn't a non-bubbling ...
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How do you tell if your fermentation is stuck?

How long do you wait before taking corrective action if your fermentation doesn't start? Are there any other good ways to tell if it's just taking a while to get going?
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I think I ruined my first brew

After years of finding excuses to not home brew, I finally gave in and bought a starter kit from Brewers Best and ingredients for my first batch; Muntons Connoisseurs Export Pilsner. Anyway, it's ...
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How do I un-stuck a mead's fermentation?

Some relevant facts: 18 pounds of Trader Joe's Mesquite honey, water to 5 gallons, yeast nutrient and energizer (I think it was 1 teaspoon of each, but a computer failure ate my notes). Yeast: ...
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Stalled Fermentation to Bottling

I brewed an amber ale 4 weeks ago and the fermentation has stalled. The OG was 1.060, and a week and a half later the gravity was 1.037. I let it sit another week and a half and the gravity reached ...
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Stuck Fermentation on Cider?

I previously posted about a cider that kept bubbling. Since then, the cider stopped bubbling. I checked the current gravity, and wonder if I have a stuck fermentation because the specific gravity has ...
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Sloe wine: going very slowly

Having started enough sloe gin this year to last a decade, I decided to use the rest of the fruit to brew some sloe wine. I'm new to brewing, and this might seem like an odd choice, but I have high ...