HOMEBREW Digest #5381 Mon 28 July 2008

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  Re: Hefeweizen Fermentation Temperature ("Greg 'groggy' Lehey")
  Hef fementation temp (j.brischke)
  Re: no mashout ! ("Dave Larsen")
  Re: Lead in glass carboys? ("steve.alexander")
  Glass Carboys in Pigeon Forge ("Arnold Neitzke")

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---------------------------------------------------------------------- Date: Mon, 28 Jul 2008 18:05:32 +1000 From: "Greg 'groggy' Lehey" <grog at lemis.com> Subject: Re: Hefeweizen Fermentation Temperature On Friday, 25 July 2008 at 23:53:38 -0700, Robert Tower wrote: > I've had quite a bit of success (several 1st places and even had one > runner-up best of show) with my hefeweizens. The key factors are (in no > specific order): yeast strain, pitching amount, aeration, and > fermentation temp. Interesting read, one that I've saved to re-read when summer comes. I'm surprised, though, that you don't mention special mashing, in particular the 43<degree> ferulic rest, which I've been told is essential for the production of the precursors to the clove taste. Greg - -- Finger grog at Freebsd.org for PGP public key. See complete headers for address and phone numbers. Return to table of contents
Date: Mon, 28 Jul 2008 15:00:18 +0000 From: j.brischke at comcast.net Subject: Hef fementation temp Re: Aleman's post, >(Unfortunately it doesn't work >in Fahrenheit ;) It does work in fahrenheit. The combined number is 118 degrees F. You have to convert the two numbers seperately. 10C=50F, 20C= 68F. Any combination will then work. Pitch at 56F, ferment at 62F,etc. Regards, Jim Brischke Lake Stevens,WA Return to table of contents
Date: Mon, 28 Jul 2008 09:03:20 -0700 From: "Dave Larsen" <hunahpu at gmail.com> Subject: Re: no mashout ! > As of today, I have brewed 567 batches of beer. Except for the first 50 > or so, these have been all-grain, 5.2 gallons each. Today I forgot to > mash-out for the first time ever! I was distracted (defragmenting my hard > drive, but fragmenting my conscousness), and as I started the sparge I > noticed that the temperature in the lauder tun was only 150F. > > I wonder what the consequences will be on the final product? The recipe > is 9lb optic pale malt, 1.5 lb Light Crystal, .5 lb Flaked Barley. > > I suppose that the amylaze enzymes will continue working longer than > usual, perhaps resulting in a drier beer? > It will likely not affect your beer whatsoever. I never do a mashout. As far as amylase enzymes are concerned, most of their work is done within the first 15 minutes of the mash. There are very little starches to convert by the time you do a mashout. Most of what a mashout does is give you a better efficiency because the sugars are more fluid with warmer liquid. It makes things less gummy, and helps prevent stuck sparges. Dave Tucson, AZ http://hunahpu.blogspot.com/ Return to table of contents
Date: Mon, 28 Jul 2008 15:57:07 -0400 From: "steve.alexander" <-s at roadrunner.com> Subject: Re: Lead in glass carboys? Josh Knarr wrote ... > I wouldn't be too worried about lead in glass carboys. In order to get > the lead out (ha ha!) you would have to somehow make the glass > solvent. To take care of surface lead, or any possible lead coating, a > good scrubbing of the carboy (I have a coathanger I bent to the handle > of my brush) should take care of it. > Not so fast ! There were tests reported a number of years ago in Wine Spectator magazine and the acid in wine will extract a considerable amount of lead from a "lead glass" decanter. They suggest - and I agree that you should never use lead glass for food or beverage. Now typical "lead glass" has 15-35% lead oxide. I wouldn't guess that cheap carboys come anywhere close to that level, but half a percent would be disturbing. Also note that the major "scare" concerning lead is wrt pottery - either unglazed, (clay often contains lead), or when using a glaze with lead. So I doubt that carboys contain enough lead to be of concern BUT that's merely a guess. I also think you are way off base assuming that a scrubbing would have any effect. You'd probably need to use John Palmer's technique for removing lead from brass fittings. He suggested 2 parts vinegar and 1 part hydrogen peroxide for a five minute soak (hbd #3900). And where is our resident metallurgist ? It is worth testing a Mexican carboy - can anyone report on this ? It *seems* unlikely to be a real problem - more of a HOB urban legend, but who knows ? -S Return to table of contents
Date: Mon, 28 Jul 2008 18:09:29 -0500 From: "Arnold Neitzke" <aneitzke at sbcglobal.net> Subject: Glass Carboys in Pigeon Forge I am trying this again, the first message never made it through, if it did, sorry for the repeat. While in Pigeon Forge last week, my wife and I were going through "Old Tyme Pottery" store just looking at stuff. I ran across 5 gallon carboys from Mexico in the center of the store. They were about $20 each. I did not need any but that seamed like a good deal. If your in the area and need one, you may want to check them out. Arnold Brighton Mi Return to table of contents
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