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Topics - elipsis

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Kegging and Bottling / Dry hopping in keg with pellet hops?
« on: December 06, 2009, 02:56:11 PM »
Anyone do this? Do you put the hops in a bag of some sort, or just suck them out with the first couple of pints?

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Kegging and Bottling / Bottling after lagering. Add fresh yeast?
« on: November 29, 2009, 10:09:55 PM »
I've got a doppelbock in the primary right now and plan to lager for three or four weeks. When bottling should I add some fresh yeast or will there be enough left in the beer to metabolize the priming sugar?

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Beer Recipes / Looking for a recipe: Bohemian dark lager
« on: November 28, 2009, 07:04:33 PM »
I'd like to brew a dark Czech lager, like the one at U Fleku. I think the generic name for this beer is Cerny Pivo, but I can't find any sample recipes.

I'm thinking of a grain bill that's 90% Pils, 8% caramel, and 2% roasted, Saaz hops in a single addition to 20-25 IBUs and WYeast 2124 (Bohemian lager). Target OG 1.045, target FG 1.011

Comments?

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I've started top cropping yeast from my ales using a blow-off tube to move the krausen into a sterile jar. After two or three days, I've collected around 200ml of pure yeast, which is sitting under a liter of beer. My procedure has been to pour the beer off the yeast, add some distilled water, swirl and transfer to a clear jar.

This is all working fine, but I've noticed that when I taste the beer that was sitting on top of the yeast, it's insanely bitter. I'd guess that along with the yeast and beer, hop residue is being pushed through the blow off tube.

My question is this: if the blow-off tube is removing bitterness from the beer, isn't it obvious that the beer left in the fermenter is less bitter? If I were to use an airlock instead of a blow-off tube all all that hop residue would settle back into the beer, increasing the overall bitterness. Has anyone ever quantified the effect of removing krausen on the overall bitterness of the beer?

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