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Re: Aquatic Plants Digest V4 #957

In a message dated 4/11/2001 3:50:54 PM Eastern Daylight Time, 
Aquatic-Plants-Owner at actwin_com writes:

<< While recently removing mineralization from a tank, I gouged, and I mean
 GOUGED, the glass with a razor blade. I have discontinued using them.
 June  >>

I'll bet the sharp edges of the minerals actually gouged the glass, the razor 
blade probably just acted as the instrument of pressure.

bob Olesen