Questions tagged [contamination]

The introduction of unwanted organisms or chemicals into the beer. Typically, this refers to unwanted bacteria or wild yeast propagating to levels to cause spoilage of the beer. Often incorrectly called an "infection".

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What infection do I have and is it salvagable?

This is my first time posting to this forum, so if I make some edict mistakes I apologize in advance. I have brewed this recipe, https://www.homebrewersassociation.org/homebrew-recipe/beer-recipe-of-...
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Strands Like Hair in Fermenting Beer

I am brewing a schwarzbier using US-05 because I don't have a setup to brew a real lager. The OG was 1.047 and I have a current gravity reading of 1.012 after 5 days of decent fermentation at an ...
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Last stage before bottling. Film appeared around top edge on glass and a few bubbles on surface

My batch of wine has been stabilized, degassed, and clarified. It is in the last stage before bottling and a film has appeared on the top at the edge on the glass. Also, there are a few bubbles on the ...
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Mead contamination?

I made a second batch of honey mead, O.G. 1.112 and after 2 weeks specific gravity was at 1.000. At this time I racked it into a glass carboy with cork and airlock. After 1 month I re-racked into ...