SafAle™ F-2

Safale-F2 Fermentis Yeast

Available in 11,5g – 500g and 10kg packaging.

DOWNLOAD THE PRODUCT SHEET

active dry yeast

Specifically designed for bottle and cask conditioning.

SafAle™ F-2, is a Saccharomyces cerevisiae that has been specifically selected for secondary fermentation in bottle and in cask. This yeast assimilates very little maltotriose but assimi-lates basic sugars (glucose, fructose, saccharose, maltose) and is caracterized by a neutral aroma profile respecting the base beer character.

Ingredients: Yeast (Saccharomyces cerevisiae), emulsifier E491

Dosage/Temperature

From 2 to 35g/hl at 15-25°C (59-77°F).

Fermentis Yeast safale-f-2

REHYDRATION

SafAle™ F-2 should not be rehydrated directly in the beer.
Sprinkle the yeast in minimum 10 times its weight of sterile water at a temperature of 25 to 29°C (77°F to 84°F).
Leave to rest 15 to 30 minutes. Gently stir.

 

Usage

Add 5 to 10 grams of sugar per liter of beer (to obtain a saturation of 2.5 to 5.0 g/l of CO2). Pitch the sweetend beer, that should be at fermentation temperature (20-25°C) with the rehydrated yeast.
Carbonation will be achieved in 1 to 2 weeks at 20-25°C*
At the end of refermentation, the beer can be cooled down and will gain in roundness after 2 to 3 weeks.
* carbonation at 15°C can take over 2 weeks

SafAle™ F-2 resists to high alcohol levels (>10% v/v) and allows brewers to obtain all the properties of refermentation:
– Beer preservation thanks to oxygene trapping
– Contribution in roundness and maturation aromas
– Carbonation
– Sticks well at the bottom of the bottles/casks and forms a nice haze when it is resuspended

Storage

During transport: The product can be transported and stored at room temperature for periods of time not exceeding 3 months without affecting its performance.
At final destination: Store in cool (< 10°C/50°F), dry conditions.

Shelf life

36 months from production date. Refer to best before end date printed on the sachet.
Opened sachets must be sealed and stored at 4°C (39°F) and used within 7 days of opening. Do not use soft or damaged sachets.

 

Each Fermentis yeast is developed under a specific production scheme and benefits from the know-how of the Lesaffre group, world leader in yeast manufacturing. This guarantees the highest microbiological purity and maximum fermentation activity.

% dry weight:94.0 – 96.5
Viable cells at packaging:> 19 x 109 /g
Total bacteria*:< 5 / ml
Acetic acid bacteria*:< 1 / ml
Lactobacillus*:< 1 / ml
Pediococcus*:< 1 / ml
Wild yeast non Saccharomyces*: < 1 / ml

Pathogenic micro-organisms: in accordance with regulation
*when dry yeast is pitched at 100 g/hl i.e. > 6 x 106 viable cells / ml

Fermentis dry brewing yeasts are well known for their ability to produce a large variety of beer styles. In order to compare our strains, we ran fermentation trials in laboratory conditions with a standard wort for all the strains and standard temperature conditions (SafLager: 12°C for 48h then 14°C / SafAle: 20°C). We focused on the following parameters: Alcohol production, residual sugars, flocculation and fermentation kinetic. Given the impact of yeast of the quality of the final beer it is recommended to respect the recommended fermentation instructions. We strongly advise users to make fermentation trials before any commercial usage of our products.