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25-04-2022, 07:20
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https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKrisAtltZ5ThVz3L5B5Lq7AsFhe1Bxllz-PEU6cvDRn0rlzX8GPYk4AelxXgGgewrX2xLxaMK4CoU8Zzd2XX 95X0_atol5eE0TBvKBXsKJ9BvU_C4owxkouQPnFvqg-mwgHG1iKBfkOODx63Nxe1iJMEBa1LbUZ_RDs8fuFnik1TbUkSP nrH7Ay4U/s320/Barclays_Brown_Stout.jpg (https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKrisAtltZ5ThVz3L5B5Lq7AsFhe1Bxllz-PEU6cvDRn0rlzX8GPYk4AelxXgGgewrX2xLxaMK4CoU8Zzd2XX 95X0_atol5eE0TBvKBXsKJ9BvU_C4owxkouQPnFvqg-mwgHG1iKBfkOODx63Nxe1iJMEBa1LbUZ_RDs8fuFnik1TbUkSP nrH7Ay4U/s990/Barclays_Brown_Stout.jpg)
In London, similar treatments were taking place. The date is a little later, but much the same elements are being employed.

Gypsum appears as an addition in everything, save for Porter and Stout. While kainit is only missing from Fullers Brown Beers, which were brewed from untreated London well water. That London brewers weren’t treating their water much makes sense, as the local water was supposed to be suitable for those types of beers.

Barclay Perkins often included plain old salt. In reality, more than appears in the table. Which shows what was added before the mash. Another ounce per barrel was added in the copper.

I’m not totally sure what function calcium bisulphite served. Its common use was as a preservative. Given it was added prior to the mash, I can’t see that it was its purpose here.

I’ve no idea what SSCC was. Only a tiny amount was used in Fullers beers, whatever it was.


Barclay Perkins water treatment in 1910 (per barrel)


beer
style
gypsum
kainit
calcium bisulfite
sodium chloride


X
Mild Ale
0.25 oz
2.00 oz
0.125 pint



XLK
Pale Ale
3.00 oz
1.00 oz




KK
Stock Ale
1.00 oz
3.00 oz
0.125 pint
1.00 oz


KKK
Stock Ale
1.00 oz
3.00 oz
0.125 pint
1.00 oz


BS
Brown Stout

3.00 oz

3.00 oz


Sources:


Barclay Perkins brewing records held at the London Metropolitan Archives, document numbers ACC/2305/1/601 and ACC/2305/1/602.







Fullers water treatment in 1902 (per barrel)


beer
style
gypsum
kainit
SSCC


X
Mild Ale
2.00 oz
1.50 oz



AK
Pale Ale
4.00 oz
3.00 oz
1.00 fl oz


BO
Stock Ale
4.00 oz
1.00 oz
1.00 fl oz


Porter
Porter





BS
Stout





SS
Stout





India Pale Ale
IPA
4.00 oz
3.00 oz
1.00 fl oz


XK
Pale Ale
4.00 oz
3.00 oz
1.00 fl oz


Source:


Fullers brewing record held at the brewery






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