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Old 02-08-2009, 11:27 PM   #1
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Default split boil - any ill effects?

I brewed my second batch today - an Oatmeal Stout. I did a mini-mash with some oats, 2-row, roasted, crystal, and chocolate malts and then sparged and boiled with some extract. However, the 4-gallon pot I purchased for this task failed - it was so cheap that it could not bring the 3.5 gallons I had to a boil. I waited and waited and waited....hours and nothing. In the end I had to divide up the wort into two batches, transferred one at a time to a smaller, but functional pot, and boiled each independently. I split my 3oz of hop pellets into 1.5 oz portions and added one portion to each boil.

I don't know if I did the right thing, but I don't know what other choice I had. Everything seems OK, but... (I know, I know, DWHAHB)

1A) Will the prolonged heating of the extract/wort affect the beer (during the hours I waited to bring the pot to a boil I reached a maximum temp of about 195oF or so)?

1B) What is the point of the boiling the extract? Just for hopping?

2) How will hopping with 1.5 oz in ~1.75 gallons differ from hopping 3 oz in 3.5 gallons? Less extraction?

The OG was 1.056 and I think the wort tasted fine, so I am still excited about the beer, but I'm just curious about the above so as to know how it might have been different if things had gone as planned. Thanks.



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Old 02-09-2009, 12:04 AM   #2
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I've had to split my boil before on stove-top; it turned out delicious anyways. Here's what I think:

1A) I don't think the wait will have harmed your beer too much. You at least got it to a boil eventually

1B) Yes, for hop utilization

2) It should get you to the same level of IBUs

Good luck, hope it all works out for you. Have a beer and relax



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Old 02-09-2009, 01:12 AM   #3
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NO problem at all. I do split batches all the time on the stove. I boil two 2.5 gallon batches in the winter on the stove.

1B.1 - also boiling it will kill any bad things

2 - no worries - your taste buds realy can not taste anything that fine

BTW - you tasted your wort after boiling? And I thought I was in a hurry by always tasting just before bottling.

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Old 02-09-2009, 01:22 AM   #4
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I've done all my batches with a split boil.

You will need 7 gallons to start instead of 6. I boil 3.5 to end up with 2.5 twich to end up with 5 gallons.

I you are sparging, your first runnings will be thicker than the second. So I put a third of my hops in the thicker wort and the other 2/3 in the thinner wort. I think the thinner wort pulls out the oils better than the thicker. Plus I like a hoppy brew.

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Old 02-09-2009, 01:25 AM   #5
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Quote:
Originally Posted by JLem View Post
1A) Will the prolonged heating of the extract/wort affect the beer (during the hours I waited to bring the pot to a boil I reached a maximum temp of about 195oF or so)?
No.

Quote:
1B) What is the point of the boiling the extract? Just for hopping?
You need not boil the extract. Add it about 5 minutes before flame out. This will reduce the twangy taste of the extract.

Quote:
2) How will hopping with 1.5 oz in ~1.75 gallons differ from hopping 3 oz in 3.5 gallons? Less extraction?
No difference.
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Old 02-11-2009, 12:58 AM   #6
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Quote:
Originally Posted by Grinder12000 View Post
BTW - you tasted your wort after boiling? And I thought I was in a hurry by always tasting just before bottling.
HA! I just wanted to make sure nothing tasted really off - I was in seriously unknown territory with this and was winging it all the way. The wort "cooked" for hours and hours and I was worried about it tasting really bitter or burnt.

Quote:
Originally Posted by impatient View Post
I you are sparging, your first runnings will be thicker than the second. So I put a third of my hops in the thicker wort and the other 2/3 in the thinner wort. I think the thinner wort pulls out the oils better than the thicker. Plus I like a hoppy brew.
I combined the sparge water with the wort and then divided it up (eventually), so both portions were identical. That's why I added half the hops to each.


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