What adjustment should I make to hops for full boil vs. partial boil? - Home Brew Forums
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Old 03-14-2010, 09:31 PM   #1
DaveAllen
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I'm converting an Austin Homebrew extract clone of Fat Tire to full boil. It calls for 1 oz Northern Brewer at 60 minutes, 2/3 oz. Willamette at 15 minutes and 1/2 oz. Willamette at 5 minutes. I know hop utilization will be improved, but what correction do I make? Any help is appreciated.



 
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Old 03-14-2010, 09:35 PM   #2
LVBen
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Quote:
Originally Posted by DaveAllen View Post
I'm converting an Austin Homebrew extract clone of Fat Tire to full boil. It calls for 1 oz Northern Brewer at 60 minutes, 2/3 oz. Willamette at 15 minutes and 1/2 oz. Willamette at 5 minutes. I know hop utilization will be improved, but what correction do I make? Any help is appreciated.
Huh? If the extract kit says to boil for 60 minutes, then boil for 60 minutes.



 
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Old 03-14-2010, 09:38 PM   #3
DaveAllen
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Quote:
Originally Posted by LVBen View Post
Huh? If the extract kit says to boil for 60 minutes, then boil for 60 minutes.
I need to reduce the amount of hops, due to increased utilization in the full boil. I'm trying to find out how to calculate that. The boil time will remain the same.

 
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Old 03-14-2010, 09:41 PM   #4
bosco_NJ
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well one way to get better hop utilization is to add your extract later in the boil as opposed to the start of the boil. the few extract beers i did i added 1/3 at 60 min & the other 2/3 at 20 min.

 
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Old 03-14-2010, 09:44 PM   #5
DaveAllen
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I'm not looking to get better hop utilization; it's going to happen anyway, since I am going from partial boil to full boil. What I am trying to find out is how much I need to adjust the hops by, to account for the better utilization.

 
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Old 03-14-2010, 09:48 PM   #6
bam
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This probably isn't going to help much but... there were a few threads awhile back about the same thing where they describe somewhat in detail about how to recalculate your hops additions. If i'm not 100% wrong i think if your recipe calls for (example) 2oz of xyz type hops for a 2.5 gal boil, then you would only use 1oz in a 5 gal boil. Like I said, I could be totally wrong in that calculation, I am still doing partial boils. Try searching the forum for full boil vs partial boil or check out the "stickies" in each section. I can't remember where on here it is, but I know it's here.

 
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Old 03-14-2010, 10:09 PM   #7
DaveAllen
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Thank you, bam. I was searching when you posted, and it does indeed look like I need to cut them in half. I appreciate the responses.

 
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Old 03-14-2010, 10:12 PM   #8
bam
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No problem. I'm very new to brewing so I know what it's like to be sitting there with question and not knowing when/where/how you'll find the answer. I found the thread I was referring to. The title was Full Boil vs Partial Boil Hops Utilization..or something like that.

 
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Old 03-14-2010, 10:13 PM   #9
DaveAllen
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Yep, that was it. I forgot to look it up before I started brewing, and I'm just about to hit the boil. Thanks again, fellas.

 
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Old 03-14-2010, 10:16 PM   #10
bam
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Good Luck



 
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