I got this recipe for a stout. It is a all grain recipe for 11gallons and I want to cut it down to a 5gallon partial grain. Any suggestions on how much to cut the grains. here it is:

% Amount Name Origin
Potential SRM
-----------------------------------------------------------------------------
69.2 16.00 lbs. Pale Malt(2-row) England 1.038
3
13.0 3.00 lbs. Munich Malt Belgium 1.038
8
4.3 1.00 lbs. Chocolate Malt America 1.029
400
4.3 1.00 lbs. CaraMunich 80 France 1.034
160
4.3 1.00 lbs. Crystal 80L 1.033
80
2.2 0.50 lbs. Carafa Germany 1.030
400
2.2 0.50 lbs. Cara-Pils Dextrine Malt 1.033
2
0.5 0.13 lbs. Roasted Barley America 1.028
450

Potential represented as SG per pound per gallon.

any suggestions will help.


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-J

Five gallons is 45% of 11 gallons.

Multiply all your grain values 45% should give you that amount of grain required to brew a five gallon batch.

- Scott