A classic yeast strain for Kölsch & Altbier beer styles. A neutral ester profile allows the beer to better express noble hops & malt character. Finishes dry with low levels of diacetyl.
Every batch is PCR tested to ensure quality.
Dosage:
Two sachets are enough to treat a 5–6 gallon batch. When calculating for larger batches, use at a rate of 2.25–3.25 grams per gallon of wort. We recommend rounding up by one full sachet rather than measuring out the yeast exactly.
Direct Pitch or Rehydrate:
KÖLSCH yeast is designed to be sprinkled directly onto the surface of your wort with no oxygenation required in the initial fermentation. Our aerobic growth process makes this possible by creating dry yeast with high viability and high sterol levels. KÖLSCH yeast is pre-loaded with essential nutrients to ensure a successful, complete fermentation. While not required, some brewers prefer to rehydrate yeast. To hydrate yeast, first, sanitize the yeast brick and scissors. Use 10 grams of sterilized tap water between 85-95°F (29-35°C) mixed with 0.25 grams of FermStart per gram of yeast. Sprinkle yeast on the water. Allow the slurry to stand undisturbed for 20 minutes, then swirl. Use small amounts of wort to adjust to within 10°F (6°C) of wort temperature before pitching. Ferment between 60-73°F (16-23°C).
Optimum Fermentation Temp: 60-73°F
Flocculation: Medium
Alcohol Tolerance: 10-11% ABV
Attenuation: 75-80%
Similar Strains: WLP029, WY2565
Gluten-free
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