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Old 06-24-2009, 05:43 PM   #1
gxm
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Default Washed Yeast Gone Bad

I went to pitch a real wort starter for a Golden Strong last night, and had planned on using some 1214 I'd washed. I hadn't realized I'd washed it 7 months ago, and when I opened up the mason jar, it smelled kinda rotty. I opened up the other jar I had, and it had a small floater that looked like mold.
In a pinch, I opened up the only other belgian yeast I have, an 8 month old jar of 3787 that smelled clean and good, so I used that instead.

I followed the same procedure for washing both, boiling the washing water and the jars, and were stored in the fridge. The 1214 did have a noticeable amount of trub, while the 3787 was all clean white yeast. I'm wondering if I was smelling autolysis from the yeast sitting on the trub?

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Old 06-24-2009, 08:32 PM   #2
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good call on not using the smelly or moldy starters. but, starters are supposed to be used within a day or two not after several months. the idea is that the yeast are active, healthy, and ready to go. but after 8 months they have either begun dieing and thats what your smelling or have gone dormant which defeats the purpose of a starter.

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Old 06-24-2009, 08:35 PM   #3
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Quote:
Originally Posted by TipsyDragon View Post
good call on not using the smelly or moldy starters. but, starters are supposed to be used within a day or two not after several months. the idea is that the yeast are active, healthy, and ready to go. but after 8 months they have either begun dieing and thats what your smelling or have gone dormant which defeats the purpose of a starter.
Read the post. He was making the starter. It was his washed yeast that he's referring to.

When the yeast goes south, some folk describe it as a "fecal" smell. Definitely sounds like yours went TU on ya.
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Old 06-24-2009, 08:35 PM   #4
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My washed yeast was old, I'm not trying to use an 8 month old starter.

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Old 06-24-2009, 08:41 PM   #5
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You'll know when it goes bad. Whiff it before you pitch it. If it smells bad that's one thing, if it smells like hot apple vomit...toss it.

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