We import White Labs PurePitch liquid yeast strains direct from their laboratory in San Diego California. Orders are shipped to us express in ice-packed, insulated boxes and arrive cold. From there, we place them in our fridge and maintain 2-4°C until sold. White Labs claims a month-over-month decrease in viability of only 3.3%, so if you receive a strain that’s 6 months old, there’s still at least 70% viability. Any orders placed after mid-week that include liquid yeast will NOT ship until Monday to help protect the viability. For a complete list of strains with Wyeast equivalents and yeast strain origins, please Click Here

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