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


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Contents:
  Sparge water heater, continued.. ("Mike Maag")
  Water (Joe Katchever)


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Date: Mon, 15 Feb 2010 09:13:18 -0500
From: "Mike Maag" <mikemaag at comcast.net>
Subject: Sparge water heater, continued..

Thanks for the replies, both on and off line, about sparge water heaters.
Actually, I was looking into sparge water heaters because I was having
trouble with my March pump.  The pump is hard to prime the way it is
currently mounted.  It is below the source, but horizontal in/out.  I open
the ball valve from the kettle ( heated sparge water) and let it fill the
pump.  I lower the hose going from the pump to the sparge water tank, down
below the pump and run the water into a bucket.  Then I turn the pump on,
and the hot water comes out fine.  I slowly lift the bucket, and as it gets
just above the outlet on the sparge water heater, the FLOW STOPS!!!  I was
checking into heat sticks as an interim fix while I got the pump to work
right.
To keep things simple, I' m concentrating on getting the pump right before
the next brew.  I.'m going to re-mount the pump vertically and test it.
Hopefully it will be easier to get the air out of the lines.  I thought
about putting a bleed on the pump out, but to keep it simple, I'm
repositioning the pump (I need to raise the pump mounting point for outlet
hose clearance).  I will post whether the remounting solves the problem or
not.

Cheers,
Mike Maag, Staunton VA (Shenandoah Valley)



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Date: Mon, 15 Feb 2010 11:32:56 -0600
From: Joe Katchever <joe at pearlstreetbrewery.com>
Subject: Water

I'm gonna bring back an oldie but a good - let's discuss water. I 
recently read some literature that made me rethink my understanding of 
brewing water.
OK, first of all, how would you define hardness? How about Alkalinity? 
What is the difference and how  are they measured?
 -Joebob


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