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Old 02-28-2006, 11:26 AM   #1
j_oracle
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Default Trub removal - post pitching

I was wondering if anybody does the following in their brewing: "break removal"

I have tried the "whirlpool technique" to try and remove the break/hops from the wort after cooling the wort without any luck. I felt I was wasting too much wort(about a 1/4 of the volume) and this was with a very aggressive stir and waiting an hour until siphoning. I never had developed any kind of "cone" in the middle more like a very fluffy loose layer that never compacts.

I now just dump every thing into a 6.5 gallon plastic bucket, aerate and pitch yeast. When yeast start floating "stuff to the surface" , normally next morning, I take a fine colander and strain off (fish out) the hops/break. I only try and catch the majority. I have not had contamination and I try to pitch with a last brew yeast cake to reduce the chance of removing too much yeast.

Any comments?

I have found it is much easier to transfer "clear beer" to the secondary with this method. I have also measured no difference in final gravity and my grassy/off taste is not apparent.


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Old 03-07-2006, 02:18 AM   #2
Lost
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I just siphon the wort into the carboy using an autosiphon.. since I use whole hops they don't really make it into the primary very often. As for the break material I don't really bother. If you did have some sort of off taste, and I've never experienced such even when I just dumped the whole lot into the primary, I would think that it would be from the hops. Have you ever done any dry hopping? That "grassy off flavor" sounds to me like the taste that results from dry hopping - leaving spent hops in the primary could have a similar, though less pronounced, effect. The hot and cold break may actually be good for the yeast besides. I think any off flavors that result from the yeast coming in contact with the trub require fairly long contact time - as in longer than 1 week. The yeast don't metabolize the trub until the easy food (sugar) runs out - at this point fermentation dramatically slows and it's time to transfer the wort to the secondary. Off flavors resulting from the trub are typically described as 'soapy' and not grassy. Heck, I don't think you could even call the stuff 'trub' until it has settled on the bottom. You may be actually scooping the krausen out which is probably not a great thing to be doing. If you're concerned about clarity then why not use a whirlfloc tab/irish moss during the boil? You could even use some gelatin or other finings to clarify if you still are satisfied.

As for scooping stuff out of the beer using a colander I wouldn't suggest it. You're exposing that wort to bacteria and wild yeast... in practice it's probably pretty safe but I don't really think you gain anything by doing it.

If you're really concerned with what makes it into the primary, as I a lot of people on here seem to be, then get a funnel with a screen in it; they sell them at my LHBS and I imagine you could get them from one of the internet vendors as well. You could probably just put a nylon screen (like what they sell for steeping grains) over your racking tube and I'll be that would keep a lot of stuff out.

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Old 03-07-2006, 02:42 PM   #3
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Quote:
Originally Posted by j_oracle
I have tried the "whirlpool technique" to try and remove the break/hops from the wort after cooling the wort without any luck. I felt I was wasting too much wort(about a 1/4 of the volume) and this was with a very aggressive stir and waiting an hour until siphoning. I never had developed any kind of "cone" in the middle more like a very fluffy loose layer that never compacts.
I'm sorry to hear that the wirlpooling didn't work for you. Especially since you waited long enough for it to settle.

Next time I brew, I'll take some pictures and make a more detailed how-to for it.

But don't worry if it didn't work for you and you have lots of trub in the primary, it will all settle out and left behind when you rack to the secondary.

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