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25-08-2017, 07:59
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Watery Mild during WW I. It’s a topic I always find entertaining. If a little depressing. Watching Mild go from a full-strength beer to just a shadow of its pre-war self.

Analysing the changes is complicated by the fact that there was no Mild which Barclay Perkins brewed for the whole of the war years. Their single pre-war Mild, X Ale, was discontinued in 1918 and was out of production for around a year. GA, Government Ale, put in a cameo appearance in 1917 and 1918. While Ale 4d only appeared in 1918, where for a while it was the only Mild they produced, replacing both X Ale and GA.

Here’s a handy table:



Barclay Perkins Mild Ales 1914 - 1921


Date
Year
Beer
OG
FG
ABV
App. Atten-uation
lbs hops/ qtr
hops lb/brl
Pitch temp


11th Mar
1914
X
1051.3
1013.6
4.99
73.54%
5.49
1.15
61º


4th Jun
1915
X
1050.9
1013.0
5.01
74.42%
6.01
1.26
61º


9th Jun
1916
X
1048.6
1012.2
4.82
74.92%
6.01
1.20
61º


17th May
1917
X
1046.7
1011.1
4.71
76.27%
5.52
1.09
61º


10th Jul
1917
GA
1036.3
1008.3
3.70
77.11%
6.54
0.98
61º


22nd Mar
1918
X
1046.5
1012.7
4.47
72.60%
5.01
0.97
61º


22nd Mar
1918
GA
1037.8
1010.0
3.68
73.62%
5.01
0.80
61º


11th Apr
1918
Ale 4d
1026.7
1006.4
2.69
76.14%
5.00
0.53
61º


18th Sep
1918
Ale 4d
1025.8
1006.6
2.53
74.23%
6.01
0.67
61º


26th May
1919
X
1036.5
1009.4
3.58
74.20%
5.24
0.79
61º


26th May
1919
Ale 4d
1029.4
1007.2
2.94
75.50%
5.24
0.64
61º


2nd Jun
1919
Ale 4d
1026.4
1004.7
2.87
82.16%
5.26
0.57
61º


3rd Jul
1919
X
1039.4
1009.4
3.97
76.10%
6.96
1.11
61º


21st Nov
1919
X
1042.4
1012.7
3.92
69.95%
5.52
1.01
61º


21st Nov
1919
Ale 4d
1028.4
1006.6
2.88
76.59%
5.52
1.51
61º


20th Feb
1920
X
1042.5
1012.7
3.94
70.02%
5.00
0.90
61º


20th Feb
1920
Ale 4d
1028.3
1006.4
2.90
77.49%
5.00
0.60
61º


1st Apr
1921
X
1041.4
1010.0
4.15
75.85%
6.00
1.00
61º


1st Apr
1921
Ale 5d
1028.4
1007.0
2.83
75.35%
6.00
0.68
62º


Sources:


Barclay Perkins brewing records held at the London Metropolitan Archives, document numbers ACC/2305/01/603, ACC/2305/01/604, ACC/2305/01/606, ACC/2305/01/607 and ACC/2305/01/609.



There was surprisingly little change to the gravity of X Ale between the start of the war and spring 1918, when it was dropped. In that period the gravity fell by around four points, from 1051º to 1047º. When it returned in 1919, it had a gravity much like GA had in its final days. It did creep up a little more in the early 1920’s, when it finally settled on a level in the low 1040’s.

Ale 4d, the cheap and cheerful Mild of the final war years always had an OG in the high 1020’s. At a smidgin under 3% ABV, it was just about an intoxicating drink. If you were determined. Amazingly, it hung around all through the interwar years before WW II finally put it out of its misery.

The hopping rate of all the Milds was very consistent at 5 to 6 pounds per quarter of malt. Which is a fairly reasonable rate, though, unsurprisingly, lower than the brewery’s Pale Ales, which contained 7 to 9 pounds per quarter of malt.

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