When I put Martins recipe in brewers friend, it comes out to be like 22 SRM. Recipe says it should be in the 30s. Any ideas on what im doing wrong?
Brew Method: BIAB
Style Name: Sweet Stout
Boil Time: 90 min
Batch Size: 3.5 gallons (fermentor volume)
Boil Size: 5 gallons
Boil Gravity: 1.037
Efficiency: 74% (brew house)
STATS:
Original Gravity: 1.053
Final Gravity: 1.014
ABV (standard): 5.09%
IBU (tinseth): 36.51
SRM (morey): 24.78
FERMENTABLES:
5.17 lb - American - Pale 2-Row (74.6%)
1.1 lb - Flaked Barley (15.9%)
10.6 oz - American - Roasted Barley (9.6%)
HOPS:
1 oz - East Kent Goldings, Type: Pellet, AA: 5, Use: Boil for 90 min, IBU: 32.71
0.25 oz - East Kent Goldings, Type: Pellet, AA: 5, Use: Boil for 15 min, IBU: 3.79
MASH GUIDELINES:
1) Infusion, Temp: 148 F, Time: 60 min, Amount: 4.3 gal
YEAST:
White Labs - Irish Ale Yeast WLP004
Starter: Yes
Form: Liquid
Attenuation (avg): 71.5%
Flocculation: Med-High
Optimum Temp: 65 - 68 F
Fermentation Temp: 67 F
Pitch Rate: 0.35 (M cells / ml / deg P)