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All Grain Recipe

Submitted By: BleacherBrewing (Shared)
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Brewer: Jason Chalifour
Batch Size: 5.25 galStyle: Imperial Stout (20C)
Boil Size: 6.93 galStyle Guide: BJCP 2015
Color: 64.1 SRMEquipment: Mash & Boil With Cooler
Bitterness: 75.2 IBUsBoil Time: 75 min
Est OG: 1.101 (24.0° P)Mash Profile: Single Infusion, Light Body, No Mash Out
Est FG: 1.027 SG (6.9° P)Fermentation: Ale, Two Stage
ABV: 10.0%Taste Rating: 30.0

Ingredients
Amount Name Type #
9.62 gal Black Full (Over 31 SRM) Water 1
4.21 g Chalk (Mash 60 min) Misc 2
2.94 g Baking Soda (Mash 60 min) Misc 3
2.89 g Epsom Salt (MgSO4) (Mash 60 min) Misc 4
12 lbs Maris Otter Pale Malt (Muntons) (3.0 SRM) Grain 5
4 lbs Pale Ale, Planet (Muntons) (2.4 SRM) Grain 6
1 lbs Crystal 150 (Muntons) (60.0 SRM) Grain 7
1 lbs Munich Malt (Muntons) (7.9 SRM) Grain 8
1 lbs Roasted Barley (Muntons) (525.0 SRM) Grain 9
12.00 oz Chocolate Malt (Muntons) (425.0 SRM) Grain 10
10.09 oz Wheat Malt (Muntons) (2.2 SRM) Grain 11
8.00 oz Black Malt (Muntons) (525.0 SRM) Grain 12
8.00 oz Crystal 400 (Muntons) (170.0 SRM) Grain 13
4.00 oz Caramalt (Muntons) (15.0 SRM) Grain 14
0.50 oz Columbus/Tomahawk/Zeus (CTZ) [15.5%] - First Wort Hops 15
1.00 oz Chinook [13.0%] - Boil 60 min Hops 16
1.00 oz Centennial [10.0%] - Boil 15 min Hops 17
1.00 oz Willamette [5.5%] - Steep 15 min Hops 18
1.0 pkgs Darkness (Imperial #A10) Yeast 19
1.0 pkgs Irish Ale Yeast (White Labs #WLP004) Yeast 20

Notes

Other than mill jamming, very smooth brew day. Added 12.7 oz Muntons Light DME after mash gravity was off by .005. SG still came out low for some reason. Hit wort with 30 mins of air via aquarium pump, wort should have been homogonized I would think. Pitched starter at 75F, within a few hours fermenter was already at 70F in cold basement. Attached heat wrap and set temp controller to 67F. Day 4 increased set temp to 69F. Day 7 gravity 1.025. Sample was thick, rich, slightly roasty, with no diacetyl or other fermentation off-flavors. Day 8 racked to secondary. Needed to free up 6.5 gal carboy for double brew day. Sample from Day 7 indicated primary fermentation complete, no need to keep on yeast cake. Filled 5 gal carboy up to the nexk. Gravity miss can be blamed on boil-off. Will pull sample in 90 days.

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