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A Slack Biah Mk II v1SRM 35 coloured beer glass

BJCP StyleInternational Dark Lager - 2C
TypeAll Grain
ProfileAroma: Little to no malt aroma; may have a light corn character. Medium-low to no roast and caramel malt aroma. Hop aroma may range from none to light spicy or floral hop presence. While a clean fermentation profile is generally most desirable, low levels of yeast character (such as a light apple fruitiness) are not a fault. A light amount of DMS or corn aroma is not a fault.

Appearance: Deep amber to dark brown with bright clarity and ruby highlights. Foam stand may not be long lasting, and is beige to light tan in color.

Flavor: Low to medium malty sweetness with medium-low to no caramel and/or roasted malt flavors (and may include hints of coffee, molasses or cocoa). Hop flavor ranges from none to low levels, and is typically floral, spicy, or herbal. Low to medium hop bitterness. May have a very light fruitiness. Moderately crisp finish. The balance is typically somewhat malty. Burnt or moderately strong roasted malt flavors are a defect.

Mouthfeel: Light to medium-light body. Smooth with a light creaminess. Medium to high carbonation.

Comments: A broad range of international lagers that are darker than pale, and not assertively bitter and/or roasted.
Batch Size12.0 L
Mash66.0° for 75.0 min
Boil Time60.0 min
Efficiency78.0 %
IBU14.2 IBUs
OG1.042 SG (Est. 1.048 SG)
FG1.012 SG (Est. 1.010 SG)
ABV3.9 % (Est. 5.0 %)
Std drinks1 per 330ml stubby
2.3 per 750ml longneck
0.9 per middy
1.3 per schooner

FermentablesGrain icon

NameAmountColour% of Grain
BEST Pale Ale (BESTMALZ)1.50 kg6.0 EBC60.73 %
Crystal, Light (Simpsons)0.75 kg104.0 EBC30.36 %
Carafa II (Weyermann)0.07 kg817.5 EBC3.04 %
Carafa III (Weyermann)0.07 kg1034.2 EBC3.04 %
Crystal, DRC® (Simpsons)0.07 kg300.0 EBC3.04 %
Total grain bill2.47 kg--

HopsHops icon

Hallertauer Mittelfrueh10.00 g60.0 minsBoil4.6%
Hallertauer Mittelfrueh10.00 g20.0 minsBoil4.6%
Total hops20.00 g---

MiscMiscellaneous icon

Whirlfloc Tablet1.00 Items10.0 minsBoilFining

YeastYeast icon

W-34/70 - Saflager LagerDCL/FermentisLager75.0 %8.9 C - 15.0 C

NotesNotes icon

16/05/21 Brew day
17/05/21 Pitched yeast @ 13deg
26/05/21 @ 1.012 ramp up to 18deg
31/05/21 Bottled, 1tsp sugar
-12 x 750ml Longecks
-1 x 330ml stubbies