Gyle 205 – Bourbon County Stout

The curse continues!

MALT:

Crisp Clear Choice Pale (EBC 4) – 4845g

Crisp Light Munich Malt (EBC 25) – 1400g

Crisp Roasted Barley (EBC 1100-1300) – 285g

Crisp Chocolate Malt (EBC 820-1000) – 285g

Crisp Light Crystal (EBC 145-165) – 285g

Crisp Black Malt (EBC 1100-1300) – 190g

Dried Malt Extract (Light) – 115g @ 15 minutes

MINERALS:

Gypsum – None

Epsom Salt – None

HOPS:

Columbus – 18g / 60 minutes

Columbus – 18g / 45 minutes

IBU: 98.54

SRM: 50

TARGET KETTLE VOLUME: 11.8 litres

TARGET PACKAGED VOLUME: 9 litres

STRIKE VOLUME: 24.1 litres / 248mm @ 73°C

SPARGE VOLUME: 3 litres taken from the strike water

CHILLING VOLUME: 4 litres @ 5°C

MASH: 67°C / 90 minutes, 30 minutes at power level 1, small hob, lid on (see brewing notes)

BOIL: 180 minutes @ power level 8 (see brewing notes)

FININGS: 1/2 Protafloc tablet

CHILLED: Yes

FERMENTER TRANSFER:  Full

YEAST: 1x CML FIVE

FERMENTER TEMP: Ambient 10°C, Pitched at 20°C then dropped heat mat to 18.5°C, adding 0.5°C each day after 48 hours until 21°C

SPUNDING PRESSURE: None

EFFICIENCY: 68%

OG: (1.107) 1.135

FG: (1.019)

ABV: Approx. 9.8%

PRIMING SUGAR:

PACKAGED VOLUME: litres

INGREDIENT COST: £

COST PER PINT: p

BREWING NOTES:  Mashed in fine with these volumes. Could push a little further, but not much. 30 minutes into the mash (small hob, lid on, level 1) the temp had dropped slightly so moved to large hob. Still dropped so upped to level 2. Neoprene sleeve would really help this. Had to turn up to power level 10 halfway through the boil and add on 30 minutes. Note: Buffalo hob times out after 2 hours. Despite a chaotic end and messing around with the boil I pretty much hit my volumes. Future big beers probably boil for 3 hours at level 9. Prior to brewing I estimated efficiency at 55% but it was way higher at 68%. Added an extra 400ml of chilled water to make up the volume. Temp issues in the lift (too cold) so moved into the kitchen that was 16°C. Yeast totally gave up at 1.054. Added the yeast cake from Gyle 207 but it couldn’t save it. Final gravity 1.048. Diluted down with 4 litres of Ashbeck water. Eventually made the decision to pour this version and re-brew it properly.

TASTING NOTES: 

STRIKE MEASUREMENT: 21.3 litres / 219mm

GRAIN ABSORPTION:  litres

GRAIN ABSOPTION PER KG:  litres / kg

PRE-BOIL MEASUREMENT: (19.5 litres / 200mm) 19.8 litres / 204mm

POST-BOIL MEASUREMENT: (7.8 litres / 80mm) 7.38 litres / 76mm

EVAPORATION: 

END KETTLE MEASUREMENT: (11.8 litres / 121mm)