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06-09-2022, 07:10
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Now here's a treat for you: the beers of a regional Irish brewery. Cairnes being based in Drogheda, a town about 40 km north of Dublin.
Their set of beers is an intriguing one: a Table Beer, a Mild Ale, a Pale Ale, and IPA and two Stouts. Though the latter aren't quite what they appear.

Single Stout (SS) looks like it's really a Porter to me. It's about the same strength as contemporary London Porters. The terms Single Stout and Porter seem to have been used fairly interchangeably in Ireland. Guinness Porter was a little stronger at about 1060º.

Double Stout (DS) is a little bit weaker than the Guinness of the day, Which was around 1075º. I assume Guinness Extra Stout was the beer it was supposed to compete with.

It's intriguing that Cairnes IPA wasn't all that much stronger - just 0.75% ABV - than the Table Beer. By the 1890s Table Beer had pretty much disappeared in England. With the dramatic fall in strength the conflict entailed, I don't expect that it survived WW I.
I assume that the beer simply called Ale was a type of Mild Ale. Though it is quite strong for a base-level Mild. Oddly, it's their second-strongest beer, after Double Stout.
The IPA is pretty close to the classic 1065º gravity. Though a poor degree of attenuation leaves it just under 5.5% ABV. It's not clear is this was a Stock Ale. If it were, then the real FG would have been considerably lower.



Cairnes beers in 1898


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


TB
Table Beer
1045
1009
4.76
80.00%
7.35
1.40
60º F


Ale
Mild
1067
1017
6.61
74.63%
9.99
3.01
60º F


E.I. Ale
Pale Ale
1055
1012
5.69
78.18%
9.76
2.23
60º F


IP Ale
IPA
1064
1023
5.42
64.06%
10.91
3.01
60º F


SS
Stout
1055
1012
5.69
78.18%
7.32
1.79
60º F


DS
Stout
1071
1016
7.28
77.46%
8.68
2.99
60º F


Source:


Cairnes brewing record held at the Guinness archives.





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