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22-06-2021, 07:09
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Just about as soon as 1941 kicked off, the strength of Heineken’s beers was reduced again. Initially, by just adding more water. They must have got bored with that method of brewing, because in the summer they just started brewing the beers to the lower gravities and didn’t bother with the watering.

Though the beers were a rather watery lot. Even the two strongest, Pils and Beiersch, were only just over 3% ABV. While the weak ones weren’t even 2.5% ABV. Not really intoxicating at all.

They can’t have had any trouble getting hold of hops, as the hopping rate, at least in terms of hops per 100 kg of malt, increased. In the case of Pils, from 1.33 kg to 1.5 kg. Though, because the beers were now so watery, the rate per hectolitre did fall.

Unsurprisingly, given the reduced amount of malt being used, the colours are all a little paler.



Heineken (Rotterdam) beers in 1941


Date
Beer
Style
OG Plato
FG Plato
ABV
App. Atten-uation
kg hops/ 100 kg
hops kg/hl
colour


17th Jul
Pils
Pils
5.47
1.63
2.00
70.56%
1.92
0.13
3


16th Jul
Donker Lagerbier
Donker Lagerbier
6.44
1.85
2.40
71.74%
1.20
0.10
14


17th Jul
Licht Lagerbier
Licht Lagerbier
6.44
1.85
2.40
71.74%
1.60
0.13
4


15th Jul
Pils
Pils
8.46
2.41
3.20
72.24%
1.50
0.16
4


16th Jul
Beiersche
Münchener
8.46
2.41
3.20
72.24%
1.22
0.13
14


Source:


Heineken brewing record held at the Amsterdamse Stadsarchief, document number 834 - 1760.




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