re: ca co3 as a filter

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From: Jon Christensen (jonnchristensen@yahoo.com)
Date: Fri Oct 10 2003 - 10:58:06 PDT 

Message-ID: <20031010175806.71106.qmail@web21309.mail.yahoo.com>
Date: Fri, 10 Oct 2003 10:58:06 -0700 (PDT)
From: Jon Christensen <jonnchristensen@yahoo.com>
Subject: re: ca co3 as a filter

Hi Treena,

As far as I know, Diatomaceous earth is used as a
swimming pool filter due to the shape of the diatoms.
They have lots of little spikes and pits to catch
particulates suspended in the water.

Sand will also work as a filter, but diatomaceous
earth is better because of the irregularities in
shape.

Hope I'm not way off base here.

-Jon Christensen

>
> Subject: ca co3 as a filter
> From: "Treena Joi" <tjoi@stanfordalumni.org>
> Date: Thu, 09 Oct 2003 18:17:45 -0700
>
> On the subject of calcium carbonate ... why is it,
> namely diatomaceous
> earth, useful as a filter in swimming pools?
>
>
> Treena Joiful
>
>
>
>

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