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Saison (Experimental Gigayeast) (AN)

My typical Saison recipe, this time brewed with an experimental Saison yeast that Gigayeast gave to us and then was propagated up by Jared.


Brewed 5.0 gallons on 2016-05-30

Preboil gravity: 1.051

Original gravity: 1.058

Final gravity: 1.001

ABV: 7.5%

Apparent Attenuation: 98.3%


Inspired by Saison (H)

Process notes

2016-07-02
Kegged. This fermented ~72°. Beer cleared well. Golden, copper orange. Peppery, slight alcohol, grassy, clove, banana aroma. Flavors are similar. Some alcohol heat. Not thin. Bitter, herbal dry finish.

Boil for 90 minutes

At 90 minutes
At 60 minutes
1.25 ounces of 1.9% Alpha Acid Tettnanger pellets
At 15 minutes
2.5 grams of Fermaid K
At 0 minutes
0.75 ounces of 1.9% Alpha Acid Tettnanger pellets

Mash

[85.71%] 9 pounds of German Pilsner (Weyermann)

[4.76%] 8 ounces of White Wheat (GreatWesternMalting)

[4.76%] 8 ounces of German Munich (Weyermann)

[4.76%] 8 ounces of Caramel Munich 60L (Briess)

Single infusion mash. Mashed with 4 gallons (1.52 quarts per pound) of reverse osmosis water for 90 minutes. 10lb 8oz of grain was used in the mash.

Strike water temp: (0.2/1.52) * (150 - 75) + 150 = 159.8

1.20g calcium chloride, 2.50g epsom salt, 1.10g baking soda, and 0.60g chalk added to water

After 0 mins
mash is 149°
After 45 mins
pH is 5.45
After 90 mins
mash is 148°; pH is 5.45

Sparge

Sparged for 90 minutes with 4 gallons of 170° reverse osmosis water. (Stopped the sparge a bit early and topped off with 1.5 gallons of water.)

1.20g calcium chloride, 2.50g epsom salt, and 0.50mL lactic acid added to water

After 0 mins
pH is 5.33; specific gravity is 1.081
After 30 mins
pH is 5.35; specific gravity is 1.081
After 75 mins
pH is 5.39; specific gravity is 1.040
After 90 mins
specific gravity is 1.015

Yeast

2016-05-30

Tasting notes (4.00/10; 2 ratings)

2017-01-16
[5/10] Golden, orange color. Good clarity, but not brilliant. Decent head retention; slightly off-white foam w/ a bit of lacing. Bright, floral aroma, maybe a bit of apple (doesn't seem like acetaldehyde, though), more of a sweet apple/pear. Aroma like a sweet white/rosé wine. Flavor is a dry, earthy bitterness that lingers. Some sweet honey flavor as well. Could be a kind of "Champagne" beer w/ lots of carbonation.
2017-02-17
[3/10] Great clarity, dark orange/brown color. I've liked this less and less over time. Dry, grassy(?) flavor and aroma. Some burnt straw. This never improved over time. I dumped about 1.5 gallons of it. Some booziness as it warms. Not sure if the unpleasant flavor/aroma is the hops or yeast. Probably yeast?