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add article on kveik activation speed
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title: Activation speed of Single vs Multi-strain Kveik
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---
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There has been some comments and papers floating around, that single isolated strains of Kveik yeast activate and ferment slower than multi-strain blends.
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Its been suggested that there is some kind of undocumented synergy happening when combining multiple kveik strains.
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## The experiment
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We've decided to put the activation speed to the test, by rehydrating Single-Strain "Bjorn" Hornindal Kveik by WHC and Multi-Strain "Stalljen" Hornindal kveik by Kveik Yeastery.
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We rehydrated with Goferm.
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20 minutes after rehydration, we reviewed the activity of both yeasts.
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And added about 2 cups of cloudy apple juice to each.
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Which we let set for 1 hour, after which they where both reviewed again.
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## Results
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It was interesting to see that the "bjorn" single strain kveik had barely started producing bubbles and foam after the first 20 minutes of rehydration.
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Meanwwhile the "stalljen" multi-strain kveik was covered by a nice thick coat of bubbly foam.
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After adding the applejuice, the single-strain kveik had started producing some bubbles, but was still very mild in comparison to the multi-strain kveik, which had created a consistentthick foamy head.
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## Note
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While this isn't an apples-to-apples approach (juice pun intended), as these yeasts where from different labs, this does indicate that there is something going on with multi-strain kveik blends that makes them activate and start fermenting faster.
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---
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## Support Manic Meads
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Enjoyed this content? Consider supporting further experiments and recipes:
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https://opencollective.com/manicmeads
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Every contribution helps keep the project alive. Thank you! 🍯

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