Friday Fluff Post: Video of a WLP037 Yeast Starter
I know, I know. It's just a yeast starter. It's hardly a unique sight in and of itself. Still, I thought that the WLP037 (Yorkshire Square Ale) yeast was pretty mesmerizing to look at.
After my recent experiences with Conan yeast - which apparently views flocculation as a cardinal sin - the 037 is absolutely miraculous in this department.
As you can see in the video, even while being fairly vigorously stirred in my erlenmeyer flask, the yeast continues to form visible chunks that result in a cool "stormy" effect.
If you bump the Conan starter, the yeast will jump back up into solution even after more than a week in the fridge; this makes it a pain to harvest.
On the other hand, after just eight hours in the fridge, the 037 flocced out into an almost concrete like substance on the bottom. I was able to decant my 3 liter starter down to a half liter, and even after vigorous shaking, I had massive chunks of solid yeast left (it took effort to get my stirbar to unstick from the bottom of the flask). I did have to use a little plain water to rinse all of the chunks out, but to me, that's way easier to work with than being afraid to decant almost any liquid for concern over losing yeast.
At any rate, enjoy this short, grainy video of a yeast starter. If you're a homebrewer, this may appeal to you on some visceral level.
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Tags for this post: fluff post, yeast, starter, wlp037, Yorkshire square
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After my recent experiences with Conan yeast - which apparently views flocculation as a cardinal sin - the 037 is absolutely miraculous in this department.
As you can see in the video, even while being fairly vigorously stirred in my erlenmeyer flask, the yeast continues to form visible chunks that result in a cool "stormy" effect.
If you bump the Conan starter, the yeast will jump back up into solution even after more than a week in the fridge; this makes it a pain to harvest.
On the other hand, after just eight hours in the fridge, the 037 flocced out into an almost concrete like substance on the bottom. I was able to decant my 3 liter starter down to a half liter, and even after vigorous shaking, I had massive chunks of solid yeast left (it took effort to get my stirbar to unstick from the bottom of the flask). I did have to use a little plain water to rinse all of the chunks out, but to me, that's way easier to work with than being afraid to decant almost any liquid for concern over losing yeast.
At any rate, enjoy this short, grainy video of a yeast starter. If you're a homebrewer, this may appeal to you on some visceral level.
Permalink
Tags for this post: fluff post, yeast, starter, wlp037, Yorkshire square
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