winotut
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- May 4, 2015
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What is important is why you stir. I have a short article Yeast for Beginners on my BLOG that may answer some of your questions.
SBW,
Thank you for that. I did read your entry regarding yeast and the stirring for the first 48 hours. I can relate to the need to oxygenate yeast, it's something I've done as a brewer. Opening the primary for anything still seems dangerous! ...But I am learning.
Beer, by enlarge, does not produce protective alcohol to the extent wine does. Also, we (they) don't use metabisulfite or any other help regarding unwanted microbes aside from stringent sanitation and protecting the wort from the atmosphere. The oxygenation must me quick and efficient right before pitching the yeast and then the wort/beer is usually tightened up for a majority of the primary.
So when I read one person stating "stir the must every day in the primary", which then exposes the must to the atmosphere AND stirs in all kinds of nasties floating in the air, who has apparently made terrific wine over the years and other person equally experienced saying not to stir except to push down the cap, and this happens a number of times with a number of experienced people, well, I suppose I needed to make note of my bewilderment.
My intention was not to put one specific person in the spotlight but to highlight the fact that as a noobie it's difficult to know which way to go when we have various choices and no choice seems wrong. Perhaps making wine is easier than one thinks!
Your idea of stirring for a few days seems logical to me, providing oxygen to the yeast while they pollute their environment with high amounts of CO2. As their activity drops over a few days the need for stirring diminishes. Higher alcohol levels provide some protection as well. Nice. I may just run with that!