Re: [World] Distilled water vs DI water


From Manuel Lopez <addressis@removed>
Date Fri, 1 Aug 2003 23:09:15 -0700 (PDT)

After reading all the information I just have one
question...which cleans better, faster and cheaper?
Manuel Lopez
SunWest Window Washing
Grand Terrace, Ca.
--- Dennis Unger <d.unger@mchsi.com> wrote:
> Brian, Thanks for your information. That helps me
> understand water better.
> Dennis Unger
> Clear View Windows and More
> ----- Original Message ----- 
> From: "Brian Godley" <bgodley@earthlink.net>
> To: <World@wcmail.net>
> Sent: Friday, August 01, 2003 8:30 AM
> Subject: RE: [World] Distilled water vs DI water
> 
> 
> > This is an interesting question. I did small bit
> of research and what I
> > found pretty much goes along with what Gary said.
> I found different
> > opinions on the matter. It really comes down to
> what you are trying to
> > do with the water. From what I was able to tell
> which is "purer" depends
> > upon what kind of "stuff" you want out of the
> water.
> > 
> > Distillation can take out some "stuff" and leave
> other "stuff" in. Same
> > thing goes for deionization. However nobody said
> which "stuff" is worse
> > for windows or what "stuff" you definitely don't
> want. Both methods
> > however will take out similar "stuff" like calcium
> and other minerals we
> > know we probably don't want when cleaning windows.
> However, a lot of
> > what I just said would also depend upon the
> equipment you are using,
> > what condition the source water is in, etc.  
> > 
> > How you tell which is "pure" seems to depend upon
> again on what "stuff"
> > you want out and how you measure that. Water can
> be: measured for
> > particular elements left, how electrically
> conductive it is after
> > cleaning, what the "weight" of the water, how does
> it refract light,
> > etc, etc. 
> > 
> > When someone wants just about everything out of
> the water they usually
> > use a multi level purifier. They will distill,
> deionize and still use
> > special carbon filters on top of that. I also
> learned that this super
> > purified water will eat away at almost anything
> including stainless
> > steel and glass. Manufactures of super
> purification systems recommend to
> > never ever store the water in anything. I guess
> you shouldn't drink it
> > either - yuck yuck.
> > 
> > However nothing I found mentioned specifically
> which was one a better
> > window cleaner. I guess you could try both and see
> what looks good. I
> > would think it comes down to practicality. What
> ever is the cheapest and
> > fastest and still does the job. For example DI
> water is supposed to
> > leave biological contaminants that distilled
> doesn't but you probably
> > never see it on a window. Conversely distilled may
> not have the reduced
> > level of electrical conductivity that de-ionized
> has and therefore may
> > not make a better cleaner (not sure about this
> just guessing). Again all
> > this depending upon source water and how good the
> equipment is in both
> > cases.
> > 
> > I am sure after reading this email you probably
> feel "stuffed"!!!
> > 
> > Brian Godley 
> > The Window Wizard LLC
> > Los Angeles, CA
> > 
> > -----Original Message-----
> > From: World-owner@wcmail.net
> [mailto:World-owner@wcmail.net] On Behalf
> > Of Gary Mauer
> > Sent: Thursday, July 31, 2003 9:32 PM
> > To: World@wcmail.net
> > Subject: RE: [World] Distilled water vs DI water
> > 
> > >>>I was talking with a chemist friend about the
> cleaning abilities of
> > DI water and the
> > related cost. He said that they use distilled
> water in their labs
> > because it is the purest
> > water there is. So which is the purest water?? --
> Dennis Unger <<<
> > 
> > First you need to define "pure".
> > I'm not able to do that, but I can BS about it.
> > If you're measuring with a TDS meter - for total
> dissolved solids - and
> > you get readings
> > of 0 ppm for both kinds of water, then they are
> both "pure" as can be -
> > for your purposes.
> > 
> > >From what I understand, if you need the purest
> water without
> > biological, chemical or
> > mineral contamination, you need to treat it a
> number of different ways,
> > because no one
> > method is perfect.
> > 
> > For instance, we tend to think of distilled as
> being the purest water,
> > but the thing to
> > remember about distilling is that while it gets
> rid of all the minerals
> > and kills germs,
> > you can distill some nasty compounds along with
> the water.
> > What happens if you've got petroleum distillates
> or alcohol in your
> > water is that they may
> > evaporate along with the water, and then condense
> along with the water.
> > 
> > But that's not going to spot a window - which is
> all you're worried
> > about.
> > 
> > Gary Mauer
> > Window Cleaning Network
> > Oconomowoc, Wisconsin, USA
> > www.window-cleaning.net
> > 
> > 
> > Do the GANA bulletin petition
> > www.scratched-glass.net
> >  - and help wipe out fabricating debris!
> > 
> > 
> > Do the GANA bulletin petition
> > www.scratched-glass.net
> >  - and help wipe out fabricating debris!
> > 
> > 
> 
> 
> Do the GANA bulletin petition
> www.scratched-glass.net
>  - and help wipe out fabricating debris!
> 


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