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AG#92 – Klaatu Verata Nictu

Posted on: January 1, 2013

Klaatu Verata Nictu – The New Years Day BrewAthon 2013. It was a year ago that a few of us brewed an Imperial Stout on New Years Day, this year its a more free range of beer styles but people are pushing the boundaries a little with some funky yeast etc
The name for this beer comes from http://en.wikipedia.org/wiki/Army_of_Darkness quite the classic.
I’m making a big beer, 10% ABV with Amarillo & Delta Hops, I’d like to brew a beer that will evolve and change over a couple of years (hopefully it will last that long!) something with at least a hint of what my Imperial Amarillo Wheat had after 18 months.
Once I’ve fermented mine with US-05 I’ll be bottling half-ish and then using Brettanomyces Bruxellensis in a secondary fermenter.

Fermentables:
Lager Malt 2.5 EBC – 63.9%
Wheat Malt – 9.9%
Vienna Malt – 8.9%
Munich Type I (Weyermann) – 8.9%
Flaked Oats – 5%
Cara Vienna (Dingemans) – 3.5%

Hops:
Sticklebract Pellet – 11.7 % @ 60 mins – 90g
Chinook Pellet – 12.9 % @ 60 mins – 18g
Summit Pellet – 15.8 % @ 30 mins – 27g
Amarillo Whole – 10 % @ 15 mins – 50g
Delta Whole – 6.5 % @ 15 mins – 50g
Amarillo Whole – 10 % @ 0 mins – 50g – (80c steep for 20-30mins)
Delta Whole – 6.5 % @ 0 mins – 50g – (80c steep for 20-30mins)

Final Volume: 23 Litres
Original Gravity: 1.100
Final Gravity: 1.024
Alcohol Content: 10.2% ABV
Total Liquor: 37.5 Litres
Mash Liquor: 25.9 Litres
Mash Efficiency: 70 % – Reduced a bit from normal
Bitterness: 200 EBU
Colour: 19 EBC
Mash: 65°c for 120mins
Yeast: Safale US-05 x 3 packs
Liquor: GW Calc ‘Dry Pale Ale’

A very full fermenter full of malts, about 12kg in all:
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Hot liquor at 82°c to pre heat mash tun, let cool to 72°c before mashing in, Temp-Controller construction is here:
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The overview of my three tier home brewery, gravity fed system with Hot water from the House feed to fill the HLT at 50-60°c:
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These NZ Sticklebract smell great, big pungent citrus character, bit of a shame they are just the bittering:
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New Year Resolution is to brew my way thru some of this lot!:
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After 2 hour mash I’m recirculating the wort for clarity, tastes good:
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About OG 1090 give or take, a temperature corrected Hydrometer test showed 1083 a more reasonable figure, the mash was actually pretty text-book and the recirculation must have helped:
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Boiling down the wort in the kitchen too so as to speed things along, I did this with some of the first sparge and again with the second sparged wort:
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Amarillo and Delta 80°c steep hops:
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Almost 1110 off the scale, this is going to be a fun liquorback:
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Finally after a mega dribble transfer I have pitched 3 packs of yeast!:
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Everything was going sooo well until I got about 10 Litres transferred into the FV when it ground to a halt (Dribble) and I started to try and find a way to make it speed up so cleaned a Solar Pump and pipework and tried pumping it… sadly I just got the same dribble but through a pump, left it to it and came back about 9pm to find about 20 Litres in the FV. I was over my OG so I liquored back to just over my target and gained an extra couple of litres, there must have still been 4-5 Litres left in the soggy hops in the copper, If it had drained properly I’d got that extra out and would have split the batch into another FV and left the Brett to do a full primary ferment.

My Method for brewing this 10% beer:
This is how I have done my Barley Wine and Abyss Imperial Stout, Over-sparge by 10 Litres or so and boil it down in a few pans before adding all back to the copper and boiling down until I reach the theoretical pre-boil Volume, then add the 60min bittering hops and so on until the end of a boil. The Mash and Sparges were; Mash with hot liquor at 73°c for 120minutes (65c Mash); recirculate entire mash via solar pump for approx 20mins; drain Mash completely avoiding malt particles at the end; Sparge with 13.4L Hot Liquor at 78°c recirculate and Run-off; Boil down in pans; Second 10L Sparge Recirculated and Run off with a further boiling down.
As I was saying above I was actually finishing the boil with a good few litres more in the copper and was hoping for extra in the FV… oh well!

I may have to look at improving my Mesh Hop-Stopper for brewing these bigger beers that include some Pellet Hops.

Twitter HashTag #NYDBrewAthon

This years brewers were:
Here is Barney’s on JBK – Monks Slipper
Here is Macca’s on JBK – Cliffhanger Oatmeal Stout
Here is Lugsy’s on JBK – Pseudo-Lambic (Lugsy started early as he’d learned from last year!)
Here is Leedsbrew’s Prep Blog and later Update
Here is Quadrangularus’Raspberry Sour Brown Ale

More as and when the brewers post up their Brewdays

*12th Jan ’13 – Gravity at 1019 so 10.9% ABV, dry hopped with pellets:
Nelson Sauvin – 29g
Motueka – 29g
Cascade – 29g
I decided not to go down the Amarillo whole hop route as they would soak up too much beer and I’ll be splitting some of the beer off into a Demijohn or small FV bucket to Brett so don’t want to loose too much volume.

*Bottled 20th Jan ’13 – with 65g White Sugar, dropped the lot into a Bottling bucket with primings then bottled half-ish in 330ml bottles then put the rest in an Oxfam bucket and pitched the Brett.
Syphoned thru a Teaball to guard against getting pellet debris in the bottles, the chill down to 8°c in the fridge had made it pretty clear anyway:
Syphon Teaball
Brettanomyces Bruxellensis added to about 8L in Oxfam bucket:
Brettsnomyces Brux added to about 8L in Oxfam bucket
Got about 32 bottles, tasting pretty good with a fair amount of residual sweetness which should fade in bottle as it conditions and matures:
Bottled ag#92

*2nd Feb ’13 – Brett’d beer has dropped 2 points to 1017 from 1019, very slight speckled surface, think it needs more brett! Tastes just slightly different to what I’d expect from un-brett’d.

*2nd Feb ’13 – Had a taster bottle with Dave last night, has loads of residual sweetness which I hope will diminish as it matures, could have done with maturing in bulk then Dry hopping and bottling some weeks/months later.

*9th Feb ’13 – Just added a fresh tube of Whitelabs WLP650 as I was expecting more to be happening and wondering if the OG / Alcohol content is screwing the Brett Brux over.

*25th Feb ’13 – Gravity @ 1017 which hasn’t budged in the last 23 days! Tastes just on the edge of bretty-sour but very subtle. I’m fairly sure the High Alcohol has killed the Brett.

*31st Mar ’13 – Gravity @ 1015 so its creeping slowly and is now showing a more Bretty sour, it could be some time before this is finished!

*11th Aug ’13 – The Brett’d batch gravity is 1014, I doubt it is going to go any further, tastes different maybe not what I’d hoped for…

1 Response to "AG#92 – Klaatu Verata Nictu"

[...] my AG#92 Klaatu Verata Nictu its an all malt DIPA but the residual sweetness after fermentation is far too high, time in bottle [...]

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