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	FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
		Digest Janitor: pbabcock at hbd.org


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Contents:
  Re: HLT woes (bill keiser)
  IPA (Fred Scheer)
  Re: HLT woes (stencil)
  pH with excess CaCO3 (Matt)


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Date: Thu, 30 Apr 2009 07:16:39 -0400
From: bill keiser <bk2 at sharpstick.org>
Subject: Re: HLT woes

  New problem to me, but I would assemble loosely, apply food grade 
silicone, let set a day or two, then tighten.  A more heavy duty version 
would be to put a SS plate between the fitting and the silicone, a 
fender washer  would do, or you could fabricate a rectangular plate to 
create more support.  This would be more solid and act as a heatsink to 
help with any heat conductance problem with the silicone.  It would in 
effect create a flat wall, but it would be thicker than the original. 
Adding another washer/plate on the outside with silicone and make the 
whole thing even more solid, but thicker yet.
  I don't know how hot it gets at that point, probably not too hot with 
wort present. If it does, you could use high temp silicone, but I don't 
know how food safe it is.
 I've done the silicone trick on motorcycles and car engines with good 
results. Letting it cure while loose and then tightening makes it more 
secure. Applying a film of some kind of oil before the silicone is 
applied will make it easier to disassemble later on, but all the exposed 
oil should be cleaned off before using.
Bill Keiser

> Somehow I've had the devil of a job building an HLT out of an
> aluminium stock pot and an electric heating element.  The problem is
> that the element has a flat flange, while the pot has a curved side.
>   


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Date: Thu, 30 Apr 2009 12:29:44 +0000 (UTC)
From: Fred Scheer <fredscheer07 at comcast.net>
Subject: IPA

 Date: Tue, 28 Apr 2009 15:37:03 -0700
> From: "Chad Stevens" <zuvaruvi at cox.net>
> Subject: Sippin on the Dock of the Bay IPA
> 
> 
> 
> HI Chad:
> 
> I'm a very good Friend of Steve Cropper, who wrote
> that song. I will forward the "sippin on the dock....."
> which he will like. Great idea....
> 
> Cheers
> 
> Fred Scheer


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Date: Thu, 30 Apr 2009 10:10:31 -0400
From: stencil <etcs.ret at verizon.net>
Subject: Re: HLT woes

On Wed, 29 Apr 2009 23:23:34 -0400, 
in  Homebrew Digest #5542 (April 29, 2009)
'groggy' Lehey wrote:







>
>[ ... ]   The problem is
>that the element has a flat flange, while the pot has a curved side.
>I've spent a lot of time looking for some way of sealing the join,
>

As long as the hole is not down too close to the turn of the
bilge, you can flatten out a landing zone around it by
placing a stack of fender washers on either face and drawing
up on them with the stoutest bolt that will pass through
them.  Lubing the faying faces with (water soluble) Draw-X
or K-Y Jelly  helps a little.  Let it sit a few hours and
re-torque the bolt if you can.  As a preliminary, ensure
that the rim of the hole is free of burrs.

gds,  stencil



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Date: Thu, 30 Apr 2009 07:20:02 -0700 (PDT)
From: Matt <baumssl27 at yahoo.com>
Subject: pH with excess CaCO3


I store brettanomyces cultures by growing them in test
tubes with wort + 2% CaCO3, then refrigerating.  Most of
the CaCO3 never dissolves, so I imagine there is a buffer
effect where any increase in acidity (during growth or
storage) is countered by dissolved carbonate, which is
replaced in solution by some of the previously undissolved
CaCO3.  I'm curious what pH is maintained (and I don't
have a pH meter).  Anyone know?

Matt


      


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