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

Ryan M. Ward silvercro_magnon at hotmail.com
Fri Apr 23 11:08:20 CDT 2010

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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