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Philly Sour produces moderate amounts of lactic acid in addition to ethanol in one simple fermentation step. This first yeast in the WildBrew™ series is a great choice for innovative, sessionable sour beers with refreshing acidity and notes of stone fruit. With high attenuation, high flocculation and good head retention, WildBrew™ Philly Sour is an ideal yeast for traditional styles such as Berliner Weiss, Gose, American Lambic Style, American Wild Ales and its resistance to hops make it perfect for Sour IPA’s.
In Lallemand’s Standard Conditions Wort at 20°C (68°F) WildBrew™ Philly Sour yeast exhibits:
Fermentation that can be completed in 10 days.
High attenuation and High flocculation. Aroma and flavour is sour, red apple and stone fruit, notably peach.
The optimal temperature range for WildBrew™ Philly Sour yeast when producing traditional styles is 20°C(68°F) to 25°C(77°F).
In the Lallemand standard conditions wort, typical pH of 3.2-3.5 and titratable acidity of 0.1-0.4% lactic acid are achieved. Higher lactic acid levels will be achieved in worts that are higher in glucose.
Lag phase, total fermentation time, attenuation and flavour are dependent on pitch rate, yeast handling, fermentation temperature and nutritional quality of the wort.
Please note: Philly Sour should not be used as the fermenting strain during bottle conditioning. A dedicated bottle conditioning strain should be used when bottle conditioning WildBrew™ Philly Sour fermentations.