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Ingredients · Yeasts · Kings Ale

Yeast

Kings Ale — Jasper Yeast

Jasper Yeast

Spec sheet The maker publishes these figures for this exact product.

Lab
Jasper Yeast
Product code
JY329
Form
liquid
Type
ale
Attenuation
70–75 %
Temperature
17–22 °C
Flocculation
low
Alcohol tolerance
6 %
STA1
not published — treat as unknown

Description

A genuine heritage English strain that Jasper recovered from a bottle of 1903 Bass Kings Ale. It ferments dependably and is mildly POF positive, so a light phenolic spice comes through. This is a recent isolate and the published characterization is still thin, so treat the numbers as early figures.

Source

jasperyeast.com