Re: hard water stains on glass canopies

[Wright Huntley <jwwiii at pacbell_net>]

That's usually not deposits, but etching, Shireen.

Condensation on the glass is pure distilled water, and solubility of 
soda-lime glass is not zero, in it. Over a period of months or years, the 
glass gradually is being etched away, and only repolishing (not worth it) or 
replacement can fix it well. Hard water stains are white and become soft or 
even dissolve in acids or products like "CLR" and "Lime-Away."

Wright

Shireen Gonzaga wrote:
> Slightly off-topic but relevant to killie-keepers....
> 
> Does anyone know how to get rid of water marks on
> glass canopies? It appears as transluscent blotches
> on the glass, and are smooth to touch, indicating that
> it's probably penetrated into the glass. I've tried scrubbing
> with soap, vinegar, and lime-away (Jungle product).
> Nothing works.
> 
> Any suggestions?
> 
> Thanks,
>     shireen
> 
> --
> Shireen Gonzaga
> Baltimore
> whimbrel at comcast_net
> 
> 
> 
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-- 
Wright Huntley -- 209 521-0557 -- 731 Loletta Ave, Modesto CA 95351

      We have a million monkeys typing on a million keyboards.
        The 'net still does not look much like Shakespeare.

                  http://www.sfbaka.net/

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