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2018 Bock and Dark Lager Gold Medal - Eisbock

Started by redshift, March 28, 2018, 02:38:57 PM

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redshift

This was first in the above category with a score of 39:

Crack the Skye - Eisbock

Recipe Specs
----------------
Batch Size (L): 20
Total Grain (kg): 9.08
Total Hops (g): 30
Original Gravity (OG): 1.092
Final Gravity (FG): 1.023
Alcohol by Volume (ABV): 11.3% (after freeze concentration)
Colour (SRM): 12
Bitterness (IBU): 27
Boil Time (Minutes): 60

Grain Bill
----------------
5.0 kg Pilsner (55%)
3.5 kg Vienna (38%)
250 g Caramunich II (3%)
180 g Acidulated Malt (2%)
150 g Caramunich III (2%)

Hop Bill
----------------
15.0 g Magnum Pellet (12.5% AA) @ 60 Minutes
15.0 g Hallertau Mittlefrueh Pellet (6.3% AA) @ 30 Minutes

Water Treatment
----------------
RO water with 0.2g/L calcium chloride

Mash Schedule
----------------
Mash in 55° for 15 mins
68° for 45 mins then remove 6.6L of mash for decoction
Bring it to the boil and simmer gently for 30 mins
Add back to mash aiming for 75° and hold for 15 mins

Notes
----------------
Ferment at 10°C with Saflager W-34/70.
After fermentation is complete, lager at 0°c for 4 weeks.
Then rack to secondary and set fermentation fridge to -10°c, remove 20% of volume as ice when it begins to freeze.
Lager at 0°c for 4 more weeks.
Reseed with US-05 when bottling.

Brewed 24/8/17
Bottled 14/11/17
Everyone has to believe in something, I believe I'll have another drink...