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Posts Tagged ‘dextrose

Belgian Extra Blonde – A mix of Pale (didn’t have any Lager malt), Carapils, Dextrose (partly sugar as I didn’t have enough of either), Oat malt & Wheat malt.
Hops are a tiny amount of Magnum to bitter then a subtle amount of Mittlefruh in the last 5 minutes and about half the coriander you’d expect to add to a Wit.
I’m fermenting with WLP757 which I revived from a 2 year old Whitelabs tube.

The Malts, mashed at 69°c for about 90mins:
AG#127 - Belgian Extra Blonde, malts.
The 9g of bittering hops!
AG#127 - Belgian Extra Blonde, light hopping today.
The Coriander:
AG#127 - Belgian Extra Blonde, just a subtle amount if Coriander.
Second sparge running to copper:
AG#127 - Belgian Extra Blonde, pretty nice light coloured wort.
Hit 3 points over my target so liquored back to 1047:
AG#127 - Belgian Extra Blonde, nicely over the 1047 target so will do a small liquorback.

I’m hoping for just a hint of coriander and a light coloured, light bodied beer with enough but not overpowering Belgianiness! I’ve used sugars for part of the bill to keep the strength at 5% ish without adding too much colour.
I’m still getting closer to signing a lease on premises and ordering brewkit and fermenters for Wishbone Brewery! (Sorry the website isn’t finished yet) but follow me on @WishboneBrewery for updates 🙂

*16th Sep ’14 – Yeast spewing all over the garage floor this morning, the ambient temp is about 19c and the FV is a fairly steady 22c, the WLP575 is smelling quite sulphurous, this could just be the yeast or I could be encouraging the sulphur because of my Sulphate additions (Calcium Sulphate & Magnesium Sulphate) all of which should dissipate as fermentation completes.

*Kegged 20th Sep ’14 – its about time i used my cornies!

*30 Sep ’14 – taster from keg, quite a soft carbonation, has Duvel-like properties some of the Sulphur is going but some of it could be the Coriander thats confusing me. I let the keg for 24 hours at 20psi and 24 hours at 30psi then left it until now, Ive put 30psi on it again and will test it again tomorrow.

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AG#124 – Big IPA – Using BrewMate instead of BeerEngine as it lets me set attenuation so hopefully the beer should turn out about 9.2%, its loosely based around a recipe in the Mitch Steele IPA book.
Sorry I haven’t had time for blogging lately I have had my head full of Wishbone Brewery stuff with thoughts about a prospective unit and then just this week a different unit and different restrictions and different potential, its all fun but I’m itching to get something set in stone and order the brewhouse equipment.

Recipe Specs
—————-
Batch Size (L):           25.0
Total Grain (kg):         8.230
Total Hops (g):           469.50
Original Gravity (OG):    1.080  (°P): 19.3
Final Gravity (FG):       1.009  (°P): 2.3
Alcohol by Volume (ABV):  9.35 %
Colour (SRM):             6.5   (EBC): 12.7
Bitterness (IBU):         287.5   (Rager)
Brewhouse Efficiency (%): 75
Boil Time (Minutes):      90

Grain Bill
—————-
4.625 kg Pale Ale Malt (56.2%)
1.877 kg Wheat Malt (22.8%)
0.905 kg Dextrose (11%)
0.593 kg Vienna (7.2%)
0.230 kg Caramalt (2.8%)

Hop Bill
—————-
60.0 g Apollo Leaf (19.5% Alpha) @ 90 Minutes (First Wort) (2.4 g/L)
16.8 g Warrior Leaf (18.2% Alpha) @ 90 Minutes (First Wort) (0.7 g/L)
17.7 g Zeus Leaf (16.7% Alpha) @ 90 Minutes (First Wort) (0.7 g/L)
60.0 g Columbus Leaf (16.5% Alpha) @ 45 Minutes (Boil) (2.4 g/L)
45.0 g Amarillo Leaf (8.6% Alpha) @ 0 Minutes (Aroma) (1.8 g/L)
35.0 g Centennial Leaf (9.7% Alpha) @ 0 Minutes (Aroma) (1.4 g/L)
35.0 g Columbus Leaf (14.2% Alpha) @ 0 Minutes (Aroma) (1.4 g/L)
100.0 g Chinook Pellet (11.4% Alpha) @ 0 Days (Dry Hop) (4 g/L)
100.0 g Nelson Sauvin Pellet (11.5% Alpha) @ 0 Days (Dry Hop) (4 g/L)

Misc Bill
—————-

Single step Infusion at 66°C for 60 Minutes.
Fermented at 20°C with Safale US-05

I’ve basically made Hop-Stew 😉 And hit the OG I got 1082 and liquored back to 1080.
A few of the hops in the recipe changed as I went along due to what I found in the hop-freezer, I’ll dry hop in two parts half will go in when FG is reached then half 2 days later when I start chilling the beer so a half warm and half cold dry hop.
BsW1OgdCAAIsO7z.jpg largeBsWA1oQCQAAi21_.jpg large

Could be premises layout, just a mockup to see if things fit and planned for the future there will be less FVs (the black  squares with green crosses) to begin with.couldbepremises*19th Jul ’14 – I dry hopped this with 50g of Chinook & Nelson Sauvin, gravity was at 1011.5 @ 22°c

*22nd Jul ’14 – FG seems to be 1010 and steady, chilled to 17°c and dry hopped with the same T90 hops again.

*24th Jul ’14 – Chilled to 13°c, will chill to 8c before bottling.

*Bottled 2nd Aug ’14

*9th Aug ’14 – Tastes bloody good, the right level of bitterness with a medium carbonation and a good effect from the dry hopping,  as you’d expect quite boozy with its 9% abv 🙂

iFuggle
iFuggle – I’ve been threatening doing this for a while, a big-ass Fuggle IPA, its an experiment and I may not like it but thats no reason not to try! And its a while since I made a British IPA.
The Dextrose will go in with the Protafloc in the last 10 minutes so as not to effect the hop utilisation, I’m using a couple of @MagicRockStu’s tips too.

Fermentables:
Pale Malt – 80%
Dextrose – 12.4%
Vienna Malt – 5.5%
Amber Malt – 2%

Hops:
Cluster Pellet – 7.9 % @ 75 mins – 150g (Start of boil)
Fuggle Whole – 5.1 % @ 5 mins – 150g
Fuggle Pellet – 4.3 % @ 0 mins – 100g (Dry Hop in FV)

Final Volume: 23 Litres
Original Gravity: 1.083
Final Gravity: 1.019
Alcohol Content: 8.4% ABV
Mash Efficiency: 75 %
Bitterness: 137 EBU
Colour: 15 EBC
Mash: 60-90mins @ 63°c (I actually hit 64°c)
Boil: 75mins
Yeast: Safale us-05 – 2 packs

The malts, a fairly full bucket with just over 7kg:
Image
150g Cluster T90 pellets:
Image
Second batch sparge running in:
Image
In go the pellets at the start of boil:
Image
The late whole fuggles go in at 5mins left:
Image
I liquored back from 1085.5 to 1083, and ended up with 22.3L in the FV:
Image

Yeast pitched at 20°c, in the fermenting fridge set to 20°c too, cleaned up, no fuss as usual 🙂

*16th Nov ’13 – Gravity at 1021, tasting rather sweet, could that 1°c higher than my planned 63°c mash temp be to blame? I was hoping for nearer to 1010 by now. I have dry hopped with with 100g Fuggles pellets and given it a good rouse, hopefully it will drop a few more points.

*18th Nov ’13 – Gravity at 1013 this is more like it, a couple more points and I’ll be happy.

*20th Nov ’13 – Gravity at 1008! Makes this 10% which is quite a big beer and about 2% stronger than planned 😀

*Bottled 30th Nov ’13 – with about 75g white sugar, my scales were messing me around, tastes strong and traditional, good dark straw colour. It actually finished fermenting at 1006.5 making it 10.2%!

I’m a little confused over the matter of brewing Big IPA’s, in regard to getting bitterness and some dryness into these high strength Imperial or Double IPA.

AG#92 - Klaatu Verata Nictu

Consider my AG#92 Klaatu Verata Nictu its an all malt DIPA but the residual sweetness after fermentation is far too high, time in bottle is s-l-o-w-l-y drying it out and its a nice beer, but much more of an American Barleywine than displaying the bitterness characteristics I was aiming for… It would seem that my predicted 200 IBU could have been doubled to 400 IBU to help cut through the sweetness.

This is theoretically where a Sugar addition comes into play to help dry the beer out…

AG#85 - HopZilla IPA

Now consider this AG#85 HopZilla IPA which did have a sugar addition for the purpose of drying the beer out, yet I still got an annoyingly high level of residual sweetness after fermentation, this did eventually dry up and display its proper character in bottle but it took blooming ages! I think I have 1 bottle of this left which I assume will be the dogs bollocks by the time I crack into it.

There is nothing wrong with either of the above beers apart from me not getting what I was aiming for, for my next experiment I will be trying a 10% addition of Dextrose, and a long cool Mash with less malts that could be adding Dextrins to the wort.

The following questions arise:

  • Mash Temp?
  • Liquor to Malt Ratio?
  • Mash Duration?
  • Amount & Type of Copper Sugars?
  • Malt selection?
  • Liquor Treatment additions?

I feel a MASSIVE dry hop is needed on these higher gravity beers, done in two stages.. i.e. Once in the FV, then transfer to Conditioning/Secondary for a while before doing a Second or even Third Heavy dry hop.

SB_Specials_Kala_Black_IPA

We brewed Kala BIPA, 6.2% @SaltaireBrewery a short time ago, I know the ABV is considerably different but we used a sugar addition of almost 10% to great effect in this beer making an amazingly easy drinking beer that went down like a 4% session ale.

Its all fun 🙂 I’d be really interested in how other homebrewers / brewers get their level of bitterness & Dryness in their DIPAs.

Cheers


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