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OK I have been brewing for over 2 years, and have cranked out around 40 batches. Trying to really hone in my process and improve the quality of what I make. I am literally reading (and re-reading) every book I can get my hands on (Mosher, Papazian, Palmer, White, most of the jedi masters)...When I first read "How to Brew", I recalled Palmer stating that everything from the brew kettle can go into the fermenter.

Now I'm reading Radical Brewing, and Mosher suggests creating a whirlpool so the break collects in the middle, then siphoning into the fermenter. Was planning on trying this, but had some issues with my siphon, so I ended up just dumping the whole brew kettle into the fermenter (as I have done many times before).

I have heard that the trub has some good yeast-building stuff in it (which will be helpful as this is a 1.088 OG Roller, hit with a quart WL Saison II starter).

I seem to remember reading something on here that a lager was split into two batches, one with trub, one without, and the trubbed brew actually clarified better and allowed the yeast to work more cleanly.

Any definitive data out there??!!

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Keep an eye/ear on the current Basic Brewing Radio / BYO collaborative experiment on trub. Listen to the Jan. 5 2012 podcast here: basicbrewing.com/index.php?page=radio –  Jeff Roe Jan 23 '12 at 15:57
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Theoretically trub can take some of the hoppiness out of your beers by trapping some of the oils from the hops (more of an issue with dry hopping) and then floculating to the bottom. Other than that, Trub should only be a noticeable issue if you are planning on letting the beer sit on it for an extended period of time (many weeks). The other concern would be if you experience Yeast Autolysis, but if you are pitching a nice sized starter, that shouldn't be a problem.

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It's not really the hop oils which are brought out by protein precipitation. It's the iso-alpha acids, which readily adhere to the flocculating protein break. Ergo, not much impact on hop aroma, more of an impact on hop bitterness. –  BeerSensor Jan 23 '12 at 14:34
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