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Glass scratching

To: Aquatic-Plants at actwin_com
Subject: Glass scratching
From: Dave Gomberg <gomberg at wcf_com>
Date: Mon, 14 Aug 2000 08:30:19 -0700
In-Reply-To: <200008140525.BAA16461 at actwin_com>

At 01:25 AM 8/14/00 -0400, PacosBilly at aol_com asked:
>Subject: Funny Magnetic substrate
>Ha ha,  I thought I would share with everyone an interesting discovery that I
>found out about my 'black beauty" (it is really pretty actually) black sand
>blasting grit. It's Metalliic! or at least has Iron, because it sticks quite
>well to algae cleaning magnes! Imagine the suprise when your substrate starts
>sticking to your magnets

And imagine what scratches those cleaning magnets will inflict on your 
aquarium glass if one of those particles ends up between the magnet and the 
glass!   Beware!
--
Dave Gomberg, San Francisco            mailto:gomberg at wcf_com
NEW Planted Aquaria Magazine:        http://www.wcf.com/pam
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