HOMEBREW Digest #122 Fri 07 April 1989

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	FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
		Rob Gardner, Digest Coordinator

Contents:
  Re:  Homebrew Digest #121 (April 06, 1989) (Paul Perlmutter)
  Re: yeast, hops, coolers (lbr)
  unsubscibe (Chris von Rabenau)
  Re:  Homebrew Digest #121 (April 06, 1989) (Paul Perlmutter)

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---------------------------------------------------------------------- Date: Thu, 6 Apr 89 09:20:43 mdt From: Paul Perlmutter <paul at hppaul> Subject: Re: Homebrew Digest #121 (April 06, 1989) Rob, Please add Jon Rodin (in CND) to the homebrew digest mailing list: jar at hpcndpc Thanks, Paul Return to table of contents
Date: Thu, 6 Apr 89 18:39:22 EDT From: lbr at gatech.edu Subject: Re: yeast, hops, coolers In #119 Pete Soper <soper at maxzilla.encore.com> writes: > A pitching rate frequently seen in descriptions of commercial > brewing practices is 5% by volume. That's a quart of yeast per 5 gallons > of wort. That's *yeast*, not yeast+starter wort. Where are you getting this number? Noonan and Miller say commercial pitching rates are .6 to 1.25 fl. oz. per gallon. Five percent sounds more like krausen, which is fermenting wort. Three to six fluid ounces is more yeast than most homebrewers provide, but is a far cry from a quart. Noonan describes various problems associated with overpitching-- though most homebrewers don't overpitch it can be done. > I have one of those BrewCo caps which together with an upside-down > carboy allows collecting the yeast from a primary fermentation. I > haven't used it yet. Partly because it is gardening time here, but also > because I'm afraid of not being able to maintain proper sanitation. > But if I've got a quart of yeast paste, a speck of dust won't have the > same impact, since by definition I won't have significant growth of yeast > (or bacteria) before pitching it again. Hmm. I have one of those. It worked nicely the first two times, but the third time I used it the yeast/trub drain valve leaked and bubbled air into the beer. The beer didn't spoil, but when I noticed this I had real trouble not worrying. I never did repitch drained yeast from this thing because the timing was never right. I like the BrewCap for the following reasons: 1) you can get the last bit of the nasty trub out without racking. 2) you can control how long the beer sits on the yeast, and how much yeast there is in the carboy. This should help in diacytyl reduction. 3) bottling is far easier using gravity directly than through a siphon. I'll probably try to modify the drain mechanism to ensure that it doesn't leak air--obviously I can't tolerate unsterile air getting into my fermenting wort. David Miller's yeast methods (written up in zymurgy last year) work nicely for me. I have had good success reculturing yeast from bottled beer. I also use his method for canning wort to use as a starter. If I can get 2-4 batches from a $4.25 pack of yeast, I'm happy. I don't want to set up a microbiology lab at home. > But the thing I'm still curious about is whether you fellow Homebrew > Digesters ferment your starters out fully before pitching them? Me too. Sometimes I do, sometimes I don't. And what about temperature? I've seen recommendations to use 75 degF in the lager starter, but I'm concerned about shocking the yeast and mutations when adding them to the 50 deg. wort. It seems more reasonable to ferment the starter at the same temperature it will be pitched, or no more that 5 deg higher. --- Happy birthday to me! My wife gave me an old refrigerator. She got it for $2.20 at a sealed bid auction run by the county schools. It works fine, and holds up to 52 degF with no modifications. I asked her why she bid $2.20 instead of two dollars, and she said she wanted to outbid any cheapskate who'd only go $2.00. It's no thing of beauty, but I hope it can help in the creation of some beautiful things. Len Reed ..!gatech!holos0!lbr holos0!lbr at gatech.edu Return to table of contents
Date: Thu, 6 Apr 89 14:12:18 CDT From: cvonrabe at ub.D.UMN.EDU (Chris von Rabenau) Subject: unsubscibe Please unsubscribe me from the homebrew digest. I have been too busy to keep up with it on a regular basis, so it is just adding up storage time. Thank you, Chris von Rabenau Return to table of contents
Date: Thu, 6 Apr 89 09:24:18 mdt From: Paul Perlmutter <paul at hppaul> Subject: Re: Homebrew Digest #121 (April 06, 1989) Is there any truth the rumor that Boulder Beer was bought out by Coors? Paul Perlmutter Return to table of contents
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