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 is the white film on my beer in my bottles?
I brewed a double batch of IPA with a buddy about 8 weeks ago.
We split this into two 5 gallon pails and 2 weeks later into two carboys. His was fine, but mine developed a bit of white stuff on ...
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Spigots: What's the consensus
I like to use an ale pail with a spigot for my secondary. It makes it super easy to test the gravity before actually bottling/kegging/etc.
However, that sort of installation in plastic can open the ...