Rachel's Porter

All Grain Recipe

Submitted By: dplittle (Shared)
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Brewer: David Little
Batch Size: 9.00 galStyle: Baltic Porter (12C)
Boil Size: 14.12 galStyle Guide: BJCP 2008
Color: 25.8 SRMEquipment: B3 1550
Bitterness: 37.0 IBUsBoil Time: 90 min
Est OG: 1.094 (22.4° P)Mash Profile: Temperature Mash, 1 Step, 150
Est FG: 1.019 SG (4.9° P)Fermentation: Lager, Barrel-Aged
ABV: 9.9%Taste Rating: 30.0

Amount Name Type #
20.00 gal Atlanta, GA Water 1
17.00 g Chalk (Mash 60 min) Misc 2
19 lbs Munich II (Weyermann) (8.5 SRM) Grain 3
11 lbs Pilsner (Weyermann) (1.7 SRM) Grain 4
10.00 oz Caramel Malt - 60L (Briess) (60.0 SRM) Grain 5
10.00 oz Special B Malt (180.0 SRM) Grain 6
8.00 oz Carafa Special II (Weyermann) (415.0 SRM) Grain 7
5.00 oz Chocolate (Crisp) (630.0 SRM) Grain 8
1.62 oz Magnum [11.0%] - Boil 60 min Hops 9
1.00 Whirlfloc Tablet (Boil 15 min) Misc 10
1.98 oz Saaz [3.2%] - Boil 15 min Hops 11
2.00 Servomyces Yeast Nutrient (Boil 10 min) Misc 12
5.0 pkgs SafLager West European Lager (DCL/Fermentis #S-23) Yeast 13


The plan is to barrel-age half the batch in a used Balcones whiskey barrel. The other half I will begin to lager. I can use this second half to blend back with the barrel-aged half to desired level of barrel flavor. Then both halves will finish lagering. Also using Gordon Strong's "late addition mashing." I'm only putting the base malts (pilsner and munich) in the full mash time and will stir in the dark and caramel malts right before sparging. The goal is to keep the mash ph at the right spot without a lot of mineral additions. I chickened out on the amount of chalk to add. The water calculation called for 34 g of chalk which I was going to split between the mash and sparge water. I decided to just add the 17 g to the mash water. This was dissolved in a liter of carbonated, filtered water (perKai Troester's page http://braukaiser.com/wiki/index.php?title=Building_brewing_water_with_dissolved_chalk). If the chalk was 100% dissolved I'd only need half anyway. Originally based on Jamil's Zek's Porter

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