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HOMEBREW Digest #5349
HOMEBREW Digest #5349 Thu 19 June 2008
FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
Digest Janitor: pbabcock at hbd.org
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Contents:
Re: Kettle weight paradox (Fred L Johnson)
Cassis ("Darrell G. Leavitt")
Further sanitizer info (Thomas Wilberding)
I Miss My Homebrew Digest ("Dave Larsen")
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Date: Thu, 19 Jun 2008 07:14:52 -0400
From: Fred L Johnson <FLJohnson52 at nc.rr.com>
Subject: Re: Kettle weight paradox
Greg finds a discrepancy in the actual weight of his kettle and the
calculated weight based on measurements of its dimensions and assumed
composition. I suggest that the error is simply in the dimension
measurements and that a more accurate measure of its volume would be
to measure the volume of the container empirically by measuring the
volume it displaces. Immerse it in a larger container of water and
measure the new volume after immersing it in the water. Then test the
assumption of its composition based upon published density of
aluminum (or other possible components).
Fred L Johnson
Apex, North Carolina, USA
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Date: Thu, 19 Jun 2008 09:52:54 -0400 (EDT)
From: "Darrell G. Leavitt" <leavitdg at plattsburgh.edu>
Subject: Cassis
Anyone brewed with Cassis/Blackcurrant?
I suppose that they could be frozen to expose the stuff, then boil for a
while, then add to the secondary?
A friend shared a Cassis ale with me and it tasted wonderful. I am
thinking about a Belgian yeast, then adding the fruit to the secondary.
Any thoughts on this?
Darrell
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Date: Thu, 19 Jun 2008 10:50:53 -0400
From: Thomas Wilberding <tom at wilberding.com>
Subject: Further sanitizer info
Hi All,
I recently chimed in on no-rinse sanitizers and Bill Menzl had asked
me about my sources
regarding reduced efficacy when storing iodophor at diluted
concentrations.
So for the benefit of everyone, here some good sources of info on
iodophor and StarSan.
I have also saved Rick Theiner's recent post on LOGIC OneStep.
March 22, 2007 - Sanitizing with Iodophor
Murl Landman of National Chemicals talks to us about sanitization
techniques
in general and using Iodophor specifically.
http://media.libsyn.com/media/basicbrewing/bbr03-22-07.mp3
In there Murl talks about storing iodophor in concentrated form vs.
diluted form.
Here is another quoting Dr. Landman:
http://www.bayareamashers.org/content/maindocs/iodophor.htm
-quote-
I asked Dr. Landman about the "shelf life" of B-T-F Iodophor and he
related a story about
one of their distributors who had found a case of the product that had
been forgotten for
5 years and returned it to the manufacturer. NCI tested the 5 year old
product and found
that it still met standards. This was, of course, undiluted iodophor
that had been well
packaged and protected from exposure to light, air etc.
Regarding iodophor that has been diluted to a working solution, Dr.
Landman
explained that there are a number of things that work to degrade the
products'
efficacy. Chlorine and protein load were the two mentioned first, but
Dr. Landman
agreed that both sunlight and exposure to the atmosphere may very well
be
factors. Iodophor is very stable in it's undiluted form, but will
begin to degrade,
(albeit slowly), once it has been diluted to a working solution. In
either case,
it is far more stable than chlorine which begins to degrade
immediately upon
being manufactured. The color of the iodophor solution is a rough
guide to
it's effectiveness as a sanitizer. If the solution still has its amber
color, it is most
likely still active. It is recommended that a fresh solution should be
mixed when
the color fades or after 24 hours.
-quote-
Other great programs:
March 29, 2007 - Sanitizing with Bleach and Star San
Charlie Talley from Five Star Chemicals tells us best practices in using
household bleach and Star San in sanitizing equipment.
http://media.libsyn.com/media/basicbrewing/bbr03-29-07.mp3
Sunday Live Show 03-19-06
20 March, 2006 by Justin
Our first official sanitation show. We are joined by Charlie Talley,
one of the
founders of Five Star Chemical Company. Charlie tells us all the do's
and
dont's of Star San, Saniclean, Iodiphor and PBW. It's an all around
great
discussion that dispels many of the myths around sanitizers, and answers
many of the questions homebrewers have regarding sanitizing chemicals.
http://www.thebrewingnetwork.com/archive/search.php?story=Talley&dosearch=yes
Hope this helps,
Tom Wilberding
Midland, MI
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Date: Thu, 19 Jun 2008 17:32:46 -0700
From: "Dave Larsen" <hunahpu at gmail.com>
Subject: I Miss My Homebrew Digest
I was going through some archives, and I realize how much I miss my
HBD. There was a day it was the center of the brewing world.
Competitions were announced. Grain mills were discussed. Rennerian
Coordinates were given. We had experts such as Dr Cone come in. We
argued the merits of the AHA. We fumed about Brewing Techniques.
And, hops, boy did we talk about hops. It used to be that if you read
HBD, you had your finger on the daily pulse of homebrewing, even more
than reading Zymurgy or any other publication out there. In this day
and age of blogs and podcast, is HBD obsolete? I sure to miss it.
Dave
Tucson, AZ
http://hunahpu.blogspot.com/
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End of HOMEBREW Digest #5349, 06/19/08
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