EISBOCK 實驗 2020.09.26
|
Maibock/Helles Bock
|
1800 Litres |
1.044 |
1.008 |
4.82 |
14.48 |
21.54 °L
|
361 |
0 |
|
|
Boil
Size: 1984.61 Litres |
Boil Time: 60 |
Boil Gravity: 1.042 |
Efficiency: 45 |
Mash Thickness: 3 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 2.0 |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 8/27/2020 9:31 AM |
Notes: 今年很幸運的入圍了兩支酒, 但我分享會當天要上課所以無法親自到場分享, 因此先把兩支酒做法po這邊, 各位同好可以參考~
Doppelbock(加強版山羊烈拉格, 雙料勃克)
釀造日期Date 2019.04.04
釀造總量Batch size 18L(16.5L進桶)
起始麥汁比重O.G 19.2 plato 1.077
結束麥汁比重F.G Dopplebock 1.014@4/17
苦味值IBU 13.5
酒精度ABV Dopplebock 8.4 EST
麥芽配方Grain Bill Munich Malt 6.0 kg
糖化 64~67C 70 min (煮麥汁60分)
啤酒花(Hops) Tettnang AA4.5% 28g (60 min) 洗糖(Sparge) 75C 9L(勿過高溫以免溶出澀味)
酵母(Yeast) WLP833 German Bock 擴培18hr 還有少許低泡時投入
主發酵溫度 20度
壓力發酵 1. 約16.5L麥汁到keg, 加入酵母, 先不加蓋, 用鋁箔封 2. 18hr 確認有發酵跡象後, 加蓋, 打CO2至15 psi. 3. 裝上洩壓閥(15 psi) 4. 置於環溫20C, 3~5 days 5. 結束壓力發酵時要緩慢降壓, 否則酵母會失壓死亡(自溶, 影響啤酒味道)
發酵觀察
4/4 投入酵母17度, 置於冰箱15度, 先不加蓋, 用鋁箔封, 先讓酵母成長
18HR: 確認有發酵跡象後, 加蓋. 裝上單向洩氣閥, 設定15 psi.
24~48HR: 壓力到達22psi, 稍微洩氣一點,
day 7: 移出冰箱做diacetyl rest. SG=1.020
day 13: FG=1.014, 移入17C冰箱開始低溫窖藏程序 day15: 冰箱調溫13C
day18: 冰箱調溫8C
之後移入2度冰箱長期熟成
Eisbock(冰凍濃縮山羊烈拉格, 冰餾勃克)
這支酒就是上支Doppelbock的冰凍濃縮版
將Doppelbock轉桶到小keg, 小keg空桶事先須充滿CO2避免氧化. 紀錄此時keg含酒重量.
小Keg置入冰箱冷凍庫, 酒中的水分開始結凍變冰塊, 但酒精不會. 透過冰凍程序讓酒濃縮. 每個冰庫冷房能力不一樣, 可以每隔幾小時檢查, 搖一下keg來判斷結冰的狀況(只能大致估計, 沒辦法事先很準確知道結冰比例)
當覺得結冰比例到達目標後, 再次轉桶到另一個小keg. 只有濃縮過的酒會被轉過去, 固體的冰塊會留在原來的keg.
轉桶完畢後, 紀錄原先keg+冰塊重量. 減去空keg重量, 就會得到殘留冰塊重量, 也就知道酒被濃縮的比例. 舉例: 原先5kg 8%的酒, 經過冰凍濃縮, 殘留冰塊1kg, 因此得到4kg 10%的酒.
以上是理想算法, 事實上殘留的冰塊中還是有酒存在, 需要再打個折.
如果還需要將濃縮後的酒裝瓶, 需要用等壓裝瓶方式, 又會增加一層氧化或感染的風險... 總之, Eisbock製程繁瑣又很難穩定, 難怪很少人做 |
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Johnny Time
|
British Brown Ale
|
30 Gallons |
1.05 |
1.012 |
4.86 |
23.27 |
14.82 °L
|
361 |
1 |
|
|
Boil
Size: 34.7 Gallons |
Boil Time: 90 |
Boil Gravity: 1.043 |
Efficiency: 75 |
Mash Thickness: 1.75 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 1/7/2024 5:23 PM |
Notes: |
|
Awesome Recipe
|
Czech Pale Lager
|
20.8 Litres |
1.047 |
1.011 |
4.75 |
23.07 |
5.2 °L
|
361 |
2 |
|
|
Boil
Size: 11.4 Litres |
Boil Time: 60 |
Boil Gravity: 1.085 |
Efficiency: 70 |
Mash Thickness: N/A |
Sugar
Scale: Specific Gravity |
Brew
Method: BIAB |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 3/1/2023 1:27 PM |
Notes: |
|
Weizen
|
Weissbier
|
30 Litres |
12.783 |
3.952 |
4.75 |
14.06 |
4.96 °L
|
361 |
0 |
|
|
Boil
Size: 36 Litres |
Boil Time: 60 |
Boil Gravity: 11.4 |
Efficiency: 74 |
Mash Thickness: 4 |
Sugar
Scale: Plato |
Brew
Method: All Grain |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: co2 |
Priming Amount: N/A |
Creation
Date: 9/25/2022 3:56 PM |
Notes: |
|
Cream Ale
|
Cream Ale
|
10 Litres |
1.044 |
1.007 |
4.84 |
13.63 |
4.5 °L
|
361 |
0 |
|
|
Boil
Size: 15.73 Litres |
Boil Time: 60 |
Boil Gravity: 1.028 |
Efficiency: 65 |
Mash Thickness: N/A |
Sugar
Scale: Specific Gravity |
Brew
Method: BIAB |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: sucrose |
Priming Amount: 71.5 g |
Creation
Date: 6/30/2022 5:30 PM |
Notes: |
|
Comet Blonde
|
Blonde Ale
|
5.5 Gallons |
1.045 |
1.008 |
4.84 |
27.73 |
3.26 °L
|
361 |
1 |
|
|
Boil
Size: 7 Gallons |
Boil Time: 60 |
Boil Gravity: 1.042 |
Efficiency: 75 |
Mash Thickness: 1.75 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 5/2/2021 1:54 PM |
Notes: |
|
Chocolate Vanilla Twist Barrel-Aged Porter
|
Robust Porter
|
217 Gallons |
1.049 |
1.012 |
4.86 |
46.63 |
37.31 °L
|
361 |
0 |
|
|
Boil
Size: 220 Gallons |
Boil Time: 60 |
Boil Gravity: 1.048 |
Efficiency: 72 |
Mash Thickness: 1.5 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: co2 |
Priming Amount: 27.65 psi |
Creation
Date: 4/28/2021 8:24 PM |
Notes: |
|
Brown Ale
|
British Brown Ale
|
18 Gallons |
1.05 |
1.014 |
4.78 |
25.98 |
20.51 °L
|
361 |
0 |
|
|
Boil
Size: 19 Gallons |
Boil Time: 60 |
Boil Gravity: 1.048 |
Efficiency: 80 |
Mash Thickness: 1.35 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 0.75 |
Primary
Temp: 64 ° F |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 12/22/2020 10:45 PM |
Notes: Entered this into a couple of competitions on the last go around. While it ultimately didn't medal, it did get some good feedback. See photos. |
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Brian's House Can't Ferment Anything Under 70 Degree's Lager
|
Munich Helles
|
5.5 Gallons |
1.048 |
1.012 |
4.76 |
20.54 |
4.4 °L
|
361 |
0 |
|
|
Boil
Size: 7.5 Gallons |
Boil Time: 90 |
Boil Gravity: 1.039 |
Efficiency: 70 |
Mash Thickness: 1.5 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 11/9/2020 6:31 PM |
Notes: |
|
APA
|
American Pale Ale
|
10 Litres |
1.05 |
1.013 |
4.8 |
34.95 |
9.9 °L
|
361 |
0 |
|
|
Boil
Size: 12 Litres |
Boil Time: 60 |
Boil Gravity: 1.042 |
Efficiency: 70 |
Mash Thickness: N/A |
Sugar
Scale: Specific Gravity |
Brew
Method: BIAB |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 9/6/2020 3:32 PM |
Notes: |
|
Witbier
|
Witbier
|
25 Litres |
1.05 |
1.013 |
4.82 |
14.25 |
3.74 °L
|
361 |
0 |
|
|
Boil
Size: 32.5 Litres |
Boil Time: 90 |
Boil Gravity: 1.038 |
Efficiency: 73 |
Mash Thickness: 2.55 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 1.0 |
Primary
Temp: 20 ° C |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 4/4/2018 7:53 AM |
Notes: |
|
Testing Brew Session Units
|
No Profile Selected |
5.5 Gallons |
1.048 |
1.012 |
4.77 |
0 |
3.37 °L
|
361 |
3 |
|
|
Boil
Size: 7.9 Gallons |
Boil Time: 120 |
Boil Gravity: 1.034 |
Efficiency: 72 |
Mash Thickness: N/A |
Sugar
Scale: Specific Gravity |
Brew
Method: BIAB |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 7/15/2020 10:10 PM |
Notes: |
|
Wakatu American (!) Wheat
|
American Wheat Beer
|
23 Litres |
1.046 |
1.009 |
4.82 |
28.33 |
3.86 °L
|
361 |
0 |
|
|
Boil
Size: 27 Litres |
Boil Time: 60 |
Boil Gravity: 1.039 |
Efficiency: 75 |
Mash Thickness: 4 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 0.35 |
Primary
Temp: 20 ° C |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 5/28/2020 2:07 PM |
Notes: see separate sheet for water treatment |
|
Elijah Test
|
Blonde Ale
|
5 Litres |
1.051 |
1.014 |
4.8 |
41.78 |
4.4 °L
|
361 |
0 |
|
|
Boil
Size: 6 Litres |
Boil Time: 60 |
Boil Gravity: 1.042 |
Efficiency: 75 |
Mash Thickness: N/A |
Sugar
Scale: Specific Gravity |
Brew
Method: Extract |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: dextrose |
Priming Amount: 33.7 g |
Creation
Date: 5/2/2020 8:52 AM |
Notes: |
|
Milla Vanilla Porter
|
Robust Porter
|
6 Gallons |
1.055 |
1.019 |
4.82 |
27.35 |
34.24 °L
|
361 |
2 |
|
|
Boil
Size: 8 Gallons |
Boil Time: 60 |
Boil Gravity: 1.041 |
Efficiency: 65 |
Mash Thickness: 1.5 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 1.25 |
Primary
Temp: 70 ° F |
Priming Method: co2 |
Priming Amount: N/A |
Creation
Date: 10/27/2019 9:48 PM |
Notes: |
|
AHS Summer Wheat Adapted
|
Weissbier
|
5.25 Gallons |
1.048 |
1.012 |
4.75 |
13.41 |
3.86 °L
|
361 |
0 |
|
|
Boil
Size: 6.25 Gallons |
Boil Time: 60 |
Boil Gravity: 1.04 |
Efficiency: 70 |
Mash Thickness: N/A |
Sugar
Scale: Specific Gravity |
Brew
Method: Partial Mash |
Pitch Rate: 0.35 |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 5/25/2019 1:48 PM |
Notes: 5/25: OG@1.051 with 4.67 gal
WLP380 (mfr:4/16/2019) pitched with vitality starter (not full, some loss upon starter prep)
5/26: Krausen formed, banana bubble gum aroma from airlock
5/30: Krausen remains with slurry yeast, SG@1.016, nice aromas and flavor, likely kegging tomorrow, but sugar/DME addition will depend on SG taken in the morning
5/31: added 10oz of DME for carb, vented a few times over next days
6/4: tapped off trub, SG@1.015, taste is good, a touch sweet, hoping to see drop another 2pts or so before transfer to smaller kegs
6/6: SG@1.014 |
|
Northern Brown Ale
|
British Brown Ale
|
23 Litres |
1.048 |
1.011 |
4.9 |
17.12 |
13.85 °L
|
361 |
1 |
|
|
Boil
Size: 28.5 Litres |
Boil Time: 70 |
Boil Gravity: 1.039 |
Efficiency: 70 |
Mash Thickness: N/A |
Sugar
Scale: Specific Gravity |
Brew
Method: BIAB |
Pitch Rate: N/A |
Primary
Temp: 20 ° C |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 12/8/2018 1:56 PM |
Notes: From Greg Hughes' Home Brew Beer, p160. Substituting Safale S-04 for Wyeast 1098, and substituting Challenger for the first hop addition, which was supposed to be Admiral, and 90 minute mash as it's BIAB. |
|
Porter
|
Brown Porter
|
21 Litres |
1.047 |
1.01 |
4.84 |
26.66 |
22.16 °L
|
361 |
0 |
|
|
Boil
Size: 24 Litres |
Boil Time: 60 |
Boil Gravity: 1.041 |
Efficiency: 75 |
Mash Thickness: 3 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 0.75 |
Primary
Temp: 20 ° C |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 11/13/2018 12:25 PM |
Notes: |
|
Oslo Scream - Gluten Free Berlinerweisse
|
Berliner Weisse
|
50 Litres |
1.044 |
1.007 |
4.76 |
2.09 |
3 °L
|
361 |
0 |
|
|
Boil
Size: 55 Litres |
Boil Time: 90 |
Boil Gravity: 1.04 |
Efficiency: 70 |
Mash Thickness: 3 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: N/A |
Primary
Temp: N/A |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 10/8/2018 5:41 PM |
Notes: |
|
Hefeweizen 2018
|
Weissbier
|
5.5 Gallons |
1.049 |
1.013 |
4.82 |
12.22 |
3.54 °L
|
361 |
0 |
|
|
Boil
Size: 7 Gallons |
Boil Time: 60 |
Boil Gravity: 1.039 |
Efficiency: 70 |
Mash Thickness: 1.5 |
Sugar
Scale: Specific Gravity |
Brew
Method: All Grain |
Pitch Rate: 0.75 |
Primary
Temp: 62 ° F |
Priming Method: N/A |
Priming Amount: N/A |
Creation
Date: 5/14/2018 1:45 AM |
Notes: Mouthfeel, haziness, wheat character excellent. Yeast character lacking. Next time boost fermentation temperature to boost esters and phenolics. |
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