The Yeast Bay PurePitch® Next Generation WLP4681 Lactobacillus brevis strain TYB282
PurePitch® Next Generation (an evolution of White Labs’ PurePitch®) delivers great shelf life, and provides a commercial pitch rate for homebrewers.
TYB282 is a single strain of Lactobacillus brevis isolated from an unintentionally soured golden ale produced by a Mexican craft brewery. This strain produces a nice, clean lactic acidity (down to ~pH 3.2) in unhopped wort within 36 hours at a temperature of ~72-77 °F. The higher the temperature up to 90 °F, the faster the acid production. While this strain can be used for kettle souring, it really shines in acidification during extended aging due to its hop tolerance (15-20 IBU).
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