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Old 09-09-2007, 01:33 PM   #1
kaotic
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Default HELP! Alpha Acid question

It's brew day and I'm doing an AHS IPA extract kit. Anyway it includes TWO 1oz bags of cascade hops one at 4.2% and the other at 6.0%...1oz is supposed to go in 5 minutes before the end for aroma and another 0.5oz is supposed to go into the secondary (dry hopping) does it matter which one goes in??????


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Old 09-09-2007, 01:39 PM   #2
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Not really. Alpha acid content is used to measure how much bitterness will be extracted when used as a bittering hop. See http://www.howtobrew.com/section1/chapter5-4.html.


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Old 09-09-2007, 01:48 PM   #3
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Agreed, doesn't really matter. This may help too:http://www.brewsupplies.com/hop_characteristics.htm
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Old 09-09-2007, 02:25 PM   #4
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Aroma adds and dry hopping contribute very little/nothing to the bittering, so it doesn't matter. If it still bothers you, mix them first.
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Old 09-09-2007, 03:20 PM   #5
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ok well just made a huge mistake, what happens if you add all the aroma hops (1oz) and the bittering hops at the very beginning of the boil????
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Old 09-09-2007, 03:36 PM   #6
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You'll get some added bitterness but no aroma.
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Old 09-09-2007, 03:36 PM   #7
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Well, it'll be about twice as bitter with no hops aroma to finish. You can buy some more hops, I guess, to dryhop with but the bitterness will remain.

Unless.......you cut your boil short and only boil the bittering hops for 35-45 minutes. If you post your whole recipe, I'll run it through beersmith for you and help you figure it out.
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Old 09-09-2007, 03:40 PM   #8
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8lbs pale extract
1/4 lb malto dextrin

and this is what i did:
1oz nugget
1/2oz perle
1oz cascade

it was supposed to be:
1oz nugget 60 min
1/2oz perle 15 min
1oz cascade 5 min

please help?

could i just turn this into a double IPA????
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Old 09-09-2007, 03:52 PM   #9
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Ok, well, the IBUs are ok for an IPA. Using Beersmith and the "default" AAUs I get 49.7 IBUs. (The original recipe would make 36.2 IBUs). So, not bad! But, you don't have any aroma hops at all in there or flavoring hops. Do you have more hops?

Edit- I see that you do. I'd add .5 oz cascade for 15 minutes and then .5 oz at flameout, and then buy more hops for dryhopping.
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Old 09-09-2007, 03:55 PM   #10
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i just added the dry hops for the flavoring hops part...still do a 60 minute boil???


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