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Old 08-22-2013, 03:14 PM   #1
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Default Any High Altitude Adjustments???

I've brewed in California basically at sea level and now living at 6200ft south of Denver, I wonder if there are any adjustments I should make to accommodate the altitude?

I'm a BIAB brewer that does 3 gallons batches.

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Old 08-22-2013, 05:44 PM   #2
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Your wort will boil at a lower temperature, but it won't affect much.

The biggest issue (which is easily fixed) is the boil off rate. I boil off more volume than sea-level brewers, especially on those extra dry days.

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Old 08-23-2013, 02:46 AM   #3
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Once you've done a few batches, you'll dial in boiloff. I never noticed any difference in hop utilization or other flavors. Best part is you get a view of the rockies while brewing- watch out for the sun!

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Old 08-23-2013, 08:37 PM   #4
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Lower hop utilization. Calculated at about 20% less.

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Old 08-24-2013, 02:19 PM   #5
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Quote:
Originally Posted by tgmartin000 View Post
Lower hop utilization. Calculated at about 20% less.
Did you calculate this? I have not seen lower utilization in my batches.
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Old 08-24-2013, 02:53 PM   #6
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Quote:
Originally Posted by tgmartin000
Lower hop utilization. Calculated at about 20% less.
I hadn't heard this before either (though I've only ever brewed in Denver so cannot say for sure). What's the reasoning?
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Old 08-24-2013, 09:55 PM   #7
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Quote:
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I hadn't heard this before either (though I've only ever brewed in Denver so cannot say for sure). What's the reasoning?
I'd like to hear that also. My house is over 2400'.
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Old 08-24-2013, 10:01 PM   #8
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A lot of this is based on Ray Daniel's work...higher elevation equals lower boiling temp equals lower hop utilization.

http://hbd.org/hbd/archive/4125.html

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Old 08-24-2013, 10:17 PM   #9
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Quote:
Originally Posted by AZ_IPA View Post
A lot of this is based on Ray Daniel's work...higher elevation equals lower boiling temp equals lower hop utilization.

http://hbd.org/hbd/archive/4125.html
Interesting. Not that it has ever mattered much to my brew. Hitting a specific IBU has never been a goal. Good info to know, however. Thanks!
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Old 08-25-2013, 05:27 AM   #10
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Where did you live in CA? The water is likely softer here so you may need to add salts.

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