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Old 01-05-2010, 10:43 PM   #1
makisupa
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Default Can someone please help me convert a 7-gallon recipe to a 5-gallon recipe?

Can someone please help me reformat the recipe to a 5-gallon batch? I asked my local homebrew store to prep a recipe kit for me and they kindly asked I re-format it to 5-gallons. This is will be my third homebrew. I'm a n00b but I really want to give this recipe a shot:

SIERRA NEVADA KELLARWEISS
OG: 1.052 = 12.8 P
FG: 1.014 = 3.5 P
IBU: 15

Boil duration: 60
preboil volume: 7 gal
preboil gravity: 1.047
Mash efficiency: 70%
Boil off rate: 10%/hr

Grain
2-row pale malt: 6.25 lb
Wheat malt (probably German?): 4.5 lb
Munich malt (probably German?): 0.5 lb

Hops
Perle or Sterling - 60? min - ~0.5oz @ 8%AA

Yeast
Kellerweis cultured from dregs of S.N. Kellerweis (I'm going to use Wyeast Bavarian).

I gave them another recipe and they liked the formatting. I did it this way:

AVERY MAHARAJA IMPERIAL IPA
OG: 1.090
AE: 1.012

Grist:
Pale 2-Row – 93.8%
Victory Malt – 3.1%
C-120 – 3.1%

Hops:
60min – Columbus (13.9% AA) - 1.09 oz
30min – Columbus (13.9% AA) - 1.09 oz
0min – Centennial (13.9% AA) 2.18 oz
0min – Simcoe (11.4% AA)( - 2.18 oz
Dry-Hop – Simcoe – 4.38 oz
Dry-Hop – Centennial – 2.18oz
Dry-Hop – Chinook – 2.18 oz

Yeast – California (maybe Wyeast 1028?)
Ferm Temp – 74F

Thanks so much in advance.

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Old 01-05-2010, 10:54 PM   #2
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Wow, seems weird that they want it formatted as a 5-gallon batch. It seems like it'd be easier to portion out as a 7-gallon recipe. Anyways, here it is scaled down to 5-gallons.

Amount Item Type % or IBU
4.17 lb Pale Malt (2 Row) US (2.0 SRM) Grain 55.56 %
3.00 lb Wheat Malt, Ger (2.0 SRM) Grain 40.00 %
0.33 lb Munich Malt (9.0 SRM) Grain 4.44 %
0.57 oz Sterling [8.00 %] (60 min) Hops 7.6 IBU

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Old 01-05-2010, 10:59 PM   #4
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to convert down just find the magic number that you multiple 7 by to get 5.

so in this case 7*.714=5

So anything your recipe that asks for just mulitpe it by .714 and that's what you need.

*or you could use a beer tool program*

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Old 01-05-2010, 11:10 PM   #5
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Thanks everyone for such quick responses. @Yooper, could you explain a little more about 7-gallon pre-boils? Note: I'm boiling in a 5-gallon brew kettle.

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Old 01-05-2010, 11:13 PM   #6
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You're gonna boil-off some of the liquid and you're gonna lose some to trub. You start off with 7 gallons of liquid and end up with 5 gallons of beer.

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Old 01-05-2010, 11:16 PM   #7
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Quote:
Originally Posted by A4J View Post
You're gonna boil-off some of the liquid and you're gonna lose some to trub. You start off with 7 gallons of liquid and end up with 5 gallons of beer.
Yeah- it's already a 5 gallon recipe. If you look, the preboil OG is different than the OG for the brew. That's because the guy who wrote this recipe boils off 1.5 gallons or so during the boil.

The recipe looks like it IS a 5 gallon recipe. If you're using a 5 gallon kettle, either you want a 3 gallon recipe, or you are wanting a partial mash recipe.

Are you currently an all-grain brewer, or does this need to be converted to a partial mash/extract recipe?
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Old 01-05-2010, 11:28 PM   #8
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I'm an extract brewer at this point following Mark and Tess clone recipes. Their store is about 20-minutes from my house which is convenient. My first two batches were kits they made (Brooklyn Brown and Tripel Karmeliet). Now, I'm trying to find recipes on-line and have them make up the kits to my specs.

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Old 01-05-2010, 11:29 PM   #9
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I'm an extract brewer at this point following Mark and Tess clone recipes. Their store is about 20-minutes from my house which is convenient. My first two batches were kits they made (Brooklyn Brown and Tripel Karmeliet). Now, I'm trying to find recipes on-line and have them make up the kits to my specs.
Gotcha. Well, the first recipe already IS a 5 gallon batch. It can be converted by them, or by one of us if they don't want to.
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Old 01-05-2010, 11:46 PM   #10
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Quote:
Originally Posted by Conodor View Post
to convert down just find the magic number that you multiple 7 by to get 5.

so in this case 7*.714=5

So anything your recipe that asks for just mulitpe it by .714 and that's what you need.

*or you could use a beer tool program*
You mean multiply by 5/7's?
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