[Homeroast] comments on a few things while traveling with coffee (aluminum)

Phil Palmintere phil.palmintere at gmail.com
Sun Apr 25 00:23:29 CDT 2010


What happens to the aluminum (or magnesium)?  A pretty good explanation is
on Wikipedia.  http://en.wikipedia.org/wiki/Sacrificial_anode

If you are suspicious of hyperlinks (as you should be), just go to Wikipedia
& search for "Sacrificial Anode".

--phil






> -----Original Message-----
> From: homeroast-bounces at lists.sweetmariascoffee.com [mailto:homeroast-
> bounces at lists.sweetmariascoffee.com] On Behalf Of Ryan M. Ward
> Sent: Friday, April 23, 2010 9:08 AM
> To: homeroast at lists.sweetmariascoffee.com
> Subject: Re: [Homeroast] comments on a few things while traveling with
> coffee (aluminum)
> 
> 
> Hi Peter,
> I don't have an answer to your question, but if you are concerned about
> the Aluminum, have you considered getting a water filter (like a britta
> or pur). Personally, I have one for drinking water and like it. Our
> water in my home town is very chloriney, (not to mention the fact that
> we are sitting on top of a hot sulphur spring- part of what makes our
> town famous is the hot sulphur bath houses). When I use my water filter
> I notice a dramatic difference with water taste. I could not tell you
> all of the science behind it or the average size of particles
> filtered(or even whether aluminium is even filtered out at all-I would
> tend to think it is), but I can tell you that my water tastes cleaner.
> 
> --
> Ryan M. Ward
> 
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> 
> 
> > Date: Thu, 22 Apr 2010 19:45:48 -0400
> > From: peterznpgcable.com at gmail.com
> > To: homeroast at lists.sweetmariascoffee.com
> > Subject: [Homeroast] comments on a few things while traveling with
> coffee	(aluminum)
> >
> > Please tell me where the 'sacrificed aluminum' drifts off to?
> > Is it in the water that comes out of this SS hot water tank?
> > Then we consume it??
> >
> > Wondering mind would like to know.
> >
> > PeterZ here for the month of April/May in beautiful Danvers, MA
> >
> > Phil Palmintere wrote:
> >
> > I hadn't thought about it until now; maybe I'm getting old, or maybe
> it's
> > the exposure to aluminum.
> >
> > Hot water heaters we all have in our homes are stainless steel tanks
> with an
> > aluminum rod suspended inside -- it is called the "sacrificial
> anode".  The
> > aluminum is consumed (<== highly technical term use) over the years
> instead
> > of the stainless steel of the tank (hence the word "sacrificial").
> Once the
> > sacrificial anode is gone, then the stainless steel of the tank will
> go.
> >
> > And the only difference between a hot water heater with a 6 year
> warranty
> > and one with a 12 year warranty is that the latter have *two*
> sacrificial
> > anodes.
> >
> > And of course they are replaceable; I change mine every 4 years just
> to be
> > safe.
> >
> > Here's a picture of the rod - a new one, and an old one.  The old one
> only
> > shows the steel core wire left; all the aluminum has been consumed
> into the
> > hot water.
> >
> > http://www.waterheaterrescue.com/images/lranode1.jpg
> >
> >
> >
> > So... do espresso machines have sacrificial anodes in their boilers?
> My
> > guess is they don't.  Has anyone had a boiler go bad?
> >
> > --phil
> >
> >
> >
> > The newer Gaggias--even the lower-end "Color" line--now have
> stainless
> > boilers.
> >
> >
> > Ever look into the aluminum boiler on your espresso machine?
> >
> > Only if you have a Gaggia.  Most machines use copper or brass for the
> >
> > boiler.  My La Marzocco uses stainless steel.
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