Date: Fri, 30 Apr 2004 09:38:18 -0700
Reply-To: gary hradek <hradek@YAHOO.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: gary hradek <hradek@YAHOO.COM>
Subject: Re: for the record water is not corrosive
In-Reply-To: <BCB7CACE.335D%mwmiller@cwnet.com>
Content-Type: text/plain; charset=us-ascii
Mike,
Salt will dissolve in water and make salt water
which is corrosive. It is the salt that makes the
water corrosive. But what chemical is used up during
the corrosive process. Iron oxide aluminum oxide.
Pure water will not even conduct electricty.
Water is good, water is holy, oh holy water keep our
engines cool. gary
--- Mike Miller <mwmiller@cwnet.com> wrote:
> I'd heard that water was the most nearly universal
> solvent, at least on
> Earth.
>
> Any folks that actually have training in this kind
> of stuff willing to chime
> in? Mathew?
>
> Mike
>
> On 4/29/04 9:32 PM, "gary hradek" <hradek@YAHOO.COM>
> wrote:
>
> > Is the earth flat. Looks flat to me. Is water
> > corrosive. Where you see rust you see water.
> Must
> > be the water like the earth is flat.
> > Oxygen is corrosive not water. Rust is iron
> > oxide and we have aluminum oxide too.
> > Someone said the orange stuff gels and the green
> > stuff is corrosive like water.
> > I think more effort should be placed on what will
> > keep the engine cool and the waterpump lubricated.
> > I was impressed that the orange stuff was used in
> > other german cars. After flushing my system I
> added
> > the orange stuff. It will gel but only if there
> is
> > still some green stuff around or if you use if
> over
> > 50%. It is very organic and less ionic than the
> > green stuff. In the summer I think 30% would
> work
> > just fine.
> > Hot coolant will disolve less oxygen than cold
> > coolant and a sealed system should be mostly free
> of
> > oxygen.
> > Keep your system topped off with whatever you
> choose
> > to use and remeber that water is your friend.
> > A 0.2M citrus acid enemia is a good idea if you
> are
> > running a bit hot. Isolate the radiator at the
> big
> > pipes and flush with hot water. Soak the
> radiator
> > for a week with the enemia and flus with hot
> water.
> > Keep cool this summer. If you are running hot
> > fix it and fix it now.
> > and for the record water is not corrosive, gary
> > From: David Brodbeck <gull@GULL.US>
> > Subject: Re: Cooling strategies, color coded, etc.
> >
> > On Thu, 29 Apr 2004, Daniel L. Katz wrote:
> >
> >> maybe we can get a chemist to comment; but, it
> seems
> > logical that
> >> distilled water would actually be more corrosive
> > than average tap
> > water.
> >> there may be some advantage in terms of reducing
> > mineral deposits,
> > but
> >> distilled water should really be more corrosive
> > because it is farther
> > from
> >> chemical equilibrium with respect to cooling
> system
> > materials.
> >
> > In fact, tap water's pH is usually adjusted at the
> > treatment plant to
> > make
> > sure it isn't corrosive to the water mains. (This
> > isn't true if you
> > have
> > your own well, of course.)
> >
> > The concern with tap water is that the minerals in
> it
> > could react with
> > chemicals in the coolant and cause them to settle
> out,
> > forming deposits
> > that can clog the system. This is supposedly why
> VW
> > specified
> > phosphate-free coolant.
> >
> >
> > David Brodbeck, N8SRE
> > '86 Volvo 240DL wagon
> >
> >
> >
> >
> >
> > __________________________________
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