In This Episode of Grains to Glass, we look at the basics of how to wash yeast. We talk about how to wash yeast from a slurry, and how to reuse the washed yeast. Yeast washing is an easy way to save a little money and also reuse the yeast that is still viable. Yeast Washing happens after primary fermentation when the trub and yeast flocculate to the bottom of the beer.
Yeast Washing Steps
1. Boil one gallon of water for 15 minutes.
During the boil, sanitize the glass jars and funnel.
2. Let the water cool for a couple minutes on the stove, and then pour into the large glass jar.
3. Place the large jar in the refrigerator to cool.
4. Siphon the beer off the yeast from the primary to a secondary fermenter. Place the airlock back on the empty fermenter while it waits.
5. Take the large jar of water out of the refrigerator and let it come up to room temperature.
6. Pour the large jar of water into the fermenter, place the airlock back on, and shake it.
7. Let the fermenter sit for 20 minutes so the trub can separate from the yeast and fall to the bottom. The yeast will be a milky white color, while the trub will be a darker brown.
8. Pour the top layer (yeast and some beer) back into the large jar, trying to leave the bottom layer of trub behind.
Cap the large jar and shake. Let it sit for 20 minutes.
9. Similar to the pour from the fermenter, carefully pour the liquid from the large jar into the four-pint size mason jars, trying to leave behind the dark matter on the bottom.
10. Cap the mason jars and place them in the refrigerator. The yeast will settle to the bottom over the next few days.
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5 сен 2024
