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HOMEBREW Digest #5165
HOMEBREW Digest #5165 Tue 27 March 2007
FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
Digest Janitor: pbabcock at hbd.org
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Contents:
Re: RO water and Chloramines ("Gordon Strong")
Beerstone/Chloramine ("A.J deLange")
Presidents Abbey Ale (leavitdg)
RE: Jalapeno beer ("Brian Lundeen")
Re: Carboy on magnetic stirrer ("Craig S. Cottingham")
RE: Carboy on magnetic stirrer ("Ronald La Borde")
Filtered Water ("Ronald La Borde")
roasty versus toasty ("peter ensminger")
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Date: Mon, 26 Mar 2007 23:12:41 -0600
From: "Gordon Strong" <strongg at speakeasy.net>
Subject: Re: RO water and Chloramines
> The following is from the description of Medicinal found in the Beer
> Faults Troubleshooter [on the BJCP web site]:
> "Avoid water with chlorine or chloramines (use RO water if
> necessary)...."
>
> I was under the impression that only type of filter that will remove
> chloramines is an activated carbon filter.
>
> Is this correct or will reversed osmosis also work at removing
> chloramines?
You're misreading what was (intended to be) stated. "Use RO water" meant
"go out and buy some RO water" not "go out and buy an RO system and process
your chloramine-treated water."
The RO system at my local Kroger runs it through several steps, including
activated charcoal and UV. Purification systems from Cynmar do essentially
the same thing. I was using "RO water" as a shorthand for the water you get
from these type systems, which include the pre- and post-processing besides
just RO.
Sorry for the confusion; we were trying to pack a lot of items into a
one-page reference.
Gordon Strong
BJCP President
------------------------------
Date: Tue, 27 Mar 2007 11:28:39 +0000
From: "A.J deLange" <ajdel at cox.net>
Subject: Beerstone/Chloramine
Jim: The beige material coating on the inside of your keg is beerstone -
a matrix of calcium oxalate in protein. It isn't harmful to wort or
directly harmful to beer. It is indirectly harmful to beer in that it
harbors bacteria which it is very good at because of its irregular
surface (you should be able to feel this if you run your finger over
it). Removal of beerstone from kegs, fermenters, bright tanks and draft
beer lines is very important in the brewery and in serving operations.
It is not so critical if the vessel is to be used exclusively as a
kettle. It is difficult to remove. A dilute solution of equal parts of
nitric and phosphoric acids in water (about 200 ml of the concentrates
of each in 5 gal) will get it with extensive soaking and scrubbing (I
assume that the buildup is pretty heavy). You might want to start with
lye (1 lb in 5 gal water - be careful!) to get any dry beer/protein off
first. Some brewery isn't taking very good care of its cooperage!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Scott: An RO filter will not remove chlorine or chloramine but the
charcoal filter in the RO unit, which is there to protect the membrane
from chlorine/chloramine, will. If chloramine is present a GAC
(granualated activated carbon) filter before or instead of the RO unit
will remove it provided the flow is slow enough (long enough contact
time) and, if in series with the RO unit, provide additional protection
for the RO membrane. An easier and quicker solution to the choramine
problem is to throw a Campden tablet into about 20 gallons of the water
and use that for brewing.
A.J.
------------------------------
Date: Tue, 27 Mar 2007 07:05:29 -0400
From: leavitdg at plattsburgh.edu
Subject: Presidents Abbey Ale
Hey guys;
Here is an Abbey ale that I brewed on Presidents day, and just tried. I am not
sure about style and all of that, but it does taste real good.
9lb pale malt (Golden Promise)
.5 lb Victory malt
2 lb Flaked Maize
.5 lb Biscuit Malt
1 lg Wheat malt
2 stage infusion, first run=1.082
boil grav= 1.059
og= 1.068
fg= 1.010
abv= 7.7
Yeast was the 5th and final use of wlp530 Belgian Abbey.
Hops were .75 tetnanger at start
.25 of same at 60
135 minute boil.
On the strong side.
Darrell
Plattsburgh,NY 44 41 58 N Latitude
73 27 12 W Longitude
[544.9 miles, 68.9]Apparent Rennerian
------------------------------
Date: Tue, 27 Mar 2007 07:21:10 -0500
From: "Brian Lundeen" <blundeen at mts.net>
Subject: RE: Jalapeno beer
> Date: Mon, 26 Mar 2007 20:12:13 -0400
> From: "Brian Dougan" <dougan.brian at gmail.com>
> Subject: Espresso, Mango and Jalapeno
>
> ...looking at doing something with jalapeno, maybe a jalapeno wheat.
> Thinking of slicing 5-10 jalapenos and throwing them (and
> seeds) into 60 minutes of the boil and then discarding before
> fermentation.
I would concur. Discarding the resulting wort before fermentation should
yield the best results. ;-)
Cheers
Bwian, in Winnipeg
------------------------------
Date: Tue, 27 Mar 2007 13:51:37 -0500
From: "Craig S. Cottingham" <craig.cottingham at gmail.com>
Subject: Re: Carboy on magnetic stirrer
On Mar 25, 2007, at 20:53, "Doug Moyer" <shyzaboy at yahoo.com> wrote:
> How do you (easily) tell if it is actually coupled and spinning the
> bar?
You should see an eddy in the center of the liquid, like the kind you
see when water is going down a drain. How deep/pronounced it is is a
function of (among other things) how fast the stir bar is spinning
(faster == deeper).
Of course, if the beer is light enough and clear enough, you should
just be able to see it. :-)
- --
Craig S. Cottingham
BJCP Certified judge from Olathe, KS ([621, 251.1deg] Apparent
Rennerian)
craig.cottingham at gmail.com
------------------------------
Date: Tue, 27 Mar 2007 16:07:22 -0500
From: "Ronald La Borde" <pivoron at cox.net>
Subject: RE: Carboy on magnetic stirrer
>From: "Doug Moyer" <shyzaboy at yahoo.com>
>
>How do you (easily) tell if it is actually coupled and spinning the bar?
I would fill it with water the first time and look at it!
Ron
Ronald La Borde - Metairie Louisiana
New Orleans is the suburb of Metairie Louisiana
------------------------------
Date: Tue, 27 Mar 2007 16:12:57 -0500
From: "Ronald La Borde" <pivoron at cox.net>
Subject: Filtered Water
I have been using a charcoal filter for my brewing liquor.
That's fine, it removes the chlorine and other tastes that might be present.
This got me wondering about the charcoal filter in my refrigerator ice/water
door dispenser. Seems like more and more new appliances now are filtering
the water for the dispensers.
Here's the question, does it also filter out the fluoride. If most of the
fluoride is removed aren't we regressing to the old days of dental cavities?
Ron
Ronald La Bored - Metairie Louisiana
New Orleans is the suburb of Metairie Louisiana
New Orleans is the New Atlantis
littera scripta manet => the written word remains
------------------------------
Date: Tue, 27 Mar 2007 23:50:11 -0400
From: "peter ensminger" <ensmingr at gmail.com>
Subject: roasty versus toasty
Pat says there have been problems with the hbd e-mail server receiving
e-mail from RR and VERIZON accounts. Let's hope he can resolve this
problem!
- -----------
-S posted some interesting comments on the complexity of Maillard
reactions in http://www.hbd.org/hbd/archive/5163.html#5163-4 .
I originally asked about the difference between "roasty" and "toasty"
(see: http://www.hbd.org/hbd/archive/5158.html#5158-1 ) for guidance
in developing a doppelbock recipe. Weyermann (which makes great malts
IMO) suggests 1-5% of Carafa-I, -II, or -III for doppelbocks and
several other styles. Thus, I used ~1% Carafa-II in a recent
doppelbock (see: http://www.hbd.org/hbd/archive/5161.html#5161-1 ).
But, when I gnaw on a few grains of Carafa-II, it seems "roasty", not
"toasty" to me.
So ...
Are the Weyermann Carafa malts "roasty" or "toasty"?
Is there a disconnect between BJCP guidelines (doppelbock:
toasty=good, roasty=bad) and Weyermann?
Cheers!
Peter A. Ensminger
Syracuse, NY
Apparent Rennerian: [394, 79.9]
------------------------------
End of HOMEBREW Digest #5165, 03/27/07
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