Question about scaling for Mr. Beer - Home Brew Forums
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Old 07-14-2012, 06:22 AM   #1
joshuajbelanger
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Nov 2011
Posts: 20


Hello everyone! Been awhile, after a horrible batch of IPA, I hung up my carboys for a few
Months in shame, but alas, I am back!

My question is how to scale down recipes for the mr. Beer fermenter. I have 2 carboys and 2 bottling buckets, but I'm starting to experiment with my own recipes and do not want a ton of horrible 5 gallon batches. I know revvvy said to look in the stickies, but apparently I'm a tard and can't find the proper scaling calculations. Any help would be appreciated, or just ignore me, ah whatever! Happy brewing. Better drinking.

-j



 
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Old 07-14-2012, 07:17 AM   #2
kaconga
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Mar 2012
Rathdrum, Idaho
Posts: 989
Liked 147 Times on 111 Posts


Mr beer is 2.5 gallons? If the recipe makes 5 gallons then divide everything by 2. If it is 2 gallons you want then it would be .4 of said recipe. If you want to double a 5 gallon recipe then it would be 2 times to get the 10 gallons of beer. Or if you really hate math and fractions and have a smartphone then the Brewr app will scale any recipe you put in for you. Easy as pie. Well... Pie is hard! So easy as drinking a good beer!



 
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Old 07-14-2012, 08:34 AM   #3
joshuajbelanger
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Nov 2011
Posts: 20

Ok, so the actual ingredients are all just divided accordingly, but what about boil times and what not? I imagine they all stay the same?

 
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Old 07-14-2012, 09:41 AM   #4
HomebrewMTB
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Feb 2008
Raleigh, NC
Posts: 408
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As far as amounts, the only thing that doesn't scale that well is water because boil off rate is a constant for the pot whether it's full or half full doesn't matter. Timing doesn't change. You still need to boil for an hour, etc. So it takes about the same amount of time to make 1/2 batches as it does full batches. A little bit less with time to boil but overall, not much different.

 
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Old 07-14-2012, 09:52 AM   #5
joshuajbelanger
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Nov 2011
Posts: 20

Roger roger! Appreciate the help gentlemen. Although I couldn't find the brewr app.

 
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Old 07-14-2012, 04:44 PM   #6
kaconga
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Mar 2012
Rathdrum, Idaho
Posts: 989
Liked 147 Times on 111 Posts


Quote:
Originally Posted by joshuajbelanger
Roger roger! Appreciate the help gentlemen. Although I couldn't find the brewr app.
I found it in the Google play store. It might not be available for Apple.

 
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Old 07-14-2012, 07:10 PM   #7
BradleyBrew
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Nov 2010
Parris Island, USA
Posts: 1,751
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http://beercalculus.hopville.com/

You can scale your recipe to anysize.



 
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