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Re: Diachromatous earth
Diatomaceous earth is used as filtering media in aquariums ....any pet or
fish store should have it... it is very cheap.
----- Original Message -----
From: <lwilkinson@schilli.com>
To: <alt-photo-process-l@skyway.usask.ca>
Sent: Friday, May 10, 2002 2:04 PM
Subject: RE: Diachromatous earth
> Edmund Scientific company would be a good place to start...they're online,
> their prices are usually pretty reasonable...and they have lots of other
> cool stuff to play with.
>
> > If so, you can (or could, some years ago) buy diatoms by the pound from
> > scientific supply companies, especially those catering to the school
> > market, because they're so much fun for kids to look at through the
> > microscope.
> > kt
> >
>