Safale K-97 Yeast

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A top fermenting ale yeast with low sedimentation characteristics, highly recommended for the production of ales in open fermentation vessels, and for German ales. During fermentation, it will produce a large, firm head.

% Dry Weight 94.0 – 96.5
Usage Rate 50 to 80 g/hl
Fermentation Temperature 53.6 – 77ºF, ideally 59 – 68ºF
Flocculation High
Residual Sugars 10 g/l at an apparent attentuation of 81%
Shelf Life 24 months from production date. 7 days if opened.
Storage Store in cool (< 50ºF), dry conditions
Total Esters 23 ppm at 18ºP at 20ºC in EBC tubes
Total Superior Alcohols 248 ppm at 18ºP at 20ºC in EBC tubes