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Fermentis SafAle™ K-97 – 500 g

Top cropping ale yeast for top fermented beers with low esters and German ales.

% Dry Weight
94.0 - 96.5
Usage Rate
50 to 80 g/hl
Fermentation Temperature
53.6 - 77ºF, ideally 59 - 68ºF
Residual Sugars
10 g/l at an apparent attenuation of 81%
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
Shelf Life
36 months from production date. 7 days if opened.
Viable Cells At Packaging
>1 x 10^10 cfu/g for ales | >6 x 10^9 cfu/g for lagers


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.

Product Information Sheet