Yeast
Kolsch — Brewing Science Institute
Brewing Science Institute
Spec sheet The maker publishes these figures for this exact product.
- Lab
- Brewing Science Institute
- Product code
- W177
- Form
- liquid
- Type
- hybrid
- Attenuation
- 73–77 %
- Temperature
- 12–18 °C
- Flocculation
- low
- Alcohol tolerance
- 10 %
- STA1
- Negative
Description
A classic kolsch strain with light fruit esters, low fusel production and strong diacetyl clean-up. Like the alt yeasts it works cool or warm; run it cool and it makes sulfur, which sharpens the mineral edge of the finished beer.