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Old 06-12-2007, 06:55 PM   #1
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Default More IBU needed, post kegging

So long story short, I bombed my rye ipa recipe. I'm left with an overly sweet beer. I'm looking to add some ibu's. My question is, can I boil some hops in water and then add the water to my keg?

Seems I would get very good utilization and have a nice concentrated liquid to pour in the keg.

Any ideas?

Todd

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Old 06-12-2007, 06:58 PM   #2
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You could definitely do that. You might want to add a touch maltodextrin or some other sort of unfermentable carb just to make sure you don't water your beer down. You should also calculate your evap rate to make sure you end up with a very small amount a hyper-concentrated hop tea.

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Old 06-12-2007, 07:06 PM   #3
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Since the best you can do is 90-100 IBU, you won't get much increase. Say you boil up two quarts at 90 IBU. add that to 5 gallons. 8-9 IBU, which is detectable. Boiling more & trying to concentrate it won't help, the extra will just drop out. Hop extracts are made using high pressure CO2.

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Old 06-12-2007, 07:22 PM   #4
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Quote:
Originally Posted by david_42
Since the best you can do is 90-100 IBU, you won't get much increase. Say you boil up two quarts at 90 IBU. add that to 5 gallons. 8-9 IBU, which is detectable. Boiling more & trying to concentrate it won't help, the extra will just drop out. Hop extracts are made using high pressure CO2.

Well doesn't that just suck. I guess I'll just suffer through it.
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Old 06-12-2007, 08:14 PM   #5
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I'd try it. Boil an ounce of hops in about a gallon of water for an hour, you could do a late addition of 1lb of light DME and then let it ferment for a week. Rack to that keg. You could experiement with mixing by mixing your rye with other beers in the glass. Maybe mixing half IPA with half Rye is more balanced? Just pour like that. I do that with my (too sweet) Stout. About 1/3rd IPA in that stout comes off like an amber of sorts. Not great, but not as bad as the stout by itself either.

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Old 06-12-2007, 08:43 PM   #6
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If it isn't TOO sweet, you can sometimes trick your palate into thinking the beer is more bitter than it is by (1) dry-hopping it with at LEAST an ounce of hops (two or more might be appropriate for an IPA), and (2) increasing the carbonation level. Both will mask/overcome the sweetness.

I had a couple of AG recipes where mash temp was too high and the beers were too sweet for me, and the combination of dry hopping and increased carbonation made them very drinkable!

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Old 06-12-2007, 08:56 PM   #7
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I made a hop tea on several occasions of 1 oz of hops to 1 gal of water.

About 1/2 of the water boiled off.

It took 3 C of tea to get the bitterness where I liked it.

On the other hand you can double up on the hops and only boil 1/2 hour for the same bitterness.

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Old 06-12-2007, 09:58 PM   #8
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Don't get me wrong, 8-9 IBU is noticeable and if you are willing to dilute it further, you could boost is 16-18 IBU. Bear in mind that diluting the batch will also dilute the ABV & sweetness, which will make the flavors more balanced. .

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Old 06-13-2007, 05:16 PM   #9
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Dogfishhead has a creation called Randal the Enamel Animal, which is essentially a water-filter casing that they cram full of hops, and plug their beer line into it (and back out) before it hits the tap. It apparently only works well with the high ABV beers because it's the alcohol that strips the oils from the hop flowers..

Regardless, I feel like this could be an easy build. I was thinking hard about it and decided a mason jar with an in and out port in the lid (same set up as a keg would have - one long line, one short) cram packed with hops, might let you add hop (flavors, maybe, aromas, yes) on the fly.

Any weldless compression fitting, stainless steel in and out would work great I think. I have plans to build one down the road (I'm finishing the kegerator currently).

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Old 06-13-2007, 05:40 PM   #10
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You want to be careful with the mason jar idea because it's not rated for pressure. The filter housings can handle the typical pressure in a keg so that's why they're used. You'll also need a way to coarsely filter out any leaf hops from getting through. Grain bag? I pretty much think tossing a hop bag into the keg is a poor man's compromise to building a randall and gets you 90% of the effect.

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