Here is the recipe (for 10 gallons):
1# rice hulls
14# 2 row
2.5# C40
2 oz. roasted barley
2# C80
2# C10
1# Cara red
2# Munich 10 L
1.2# Acidulated
1 oz black malt
2 oz Chinook @ 60
2 oz Centenial @ 20
1 tablet Whirlfoc @ 15
2 packs US05
Water
13 gallons tap water (Ca 88 Mg 30 Na 7 Cl 16 SO 29)
2 gallons RO water
Mineral additions
8.5 grams Gypsum
2.1 grams NaCl
5.25 grams CaCL
Mashed at 152