Hot answers tagged yeast-cultures
The Wyeast smack packs have a small nutrient pouch inside the main pouch (which contains the yeast slurry). The nutrients will cause the yeast to "wake up" and consume the sugars in the nutrient liquid, causing the swelling. However, this is a function not only of the yeast, but also of the date of manufacture, the viability/vitality of the yeast and the ...
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