So this Imperial Dark IBA is more of a partial extract than a partial mash, but so be it… it worked.
~67 IBU
~30 SRM
OG 1.083
FG 1.017
ABV - 8.66%
Mash In 167.7F
Pro Rest 139F 20mins
Saccharification 167.7 for 10 mins
Conversion 153F for 60 mins
Sparge 167.7F 5.78 Gal
Grains
44.24% Pale 2-row
3.23% Black Prinz
3.23% Pale Chocolate
3.23% Victory
1.84% Crystal 55L
Boil 65 mins
29.49% Extra Light DME - 65
14.75% Dark Brown Sugar - 60
1.5oz Mosaic - 60
.5oz Chinook - 30
1oz Warrior - 12
.5oz Mosaic - 8
.75oz Cascade - Whirlpool @ 177F
Yeast WLP001
23 Days @68F
2 Days @73F