Sounds like diatomite, a/k/a/ Dyna-Rok II
--
Ray Barkalow - First Rays Orchids -
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"tbell" wrote in message
nd.net...
On Tue, 30 Mar 2004 11:59:53 -0800, GrlIntrpted wrote
(in message ):
I held the rocks in my hands, they're pretty rough,
uneven, and I thought that they'd surely damage the orchid roots
I've bought a few plants with a smooth, lightweight, striate, yellowish
tan
rock from 1-2 cms in size mixed in the medium. It doesn't look like LECA.
I've never seen it packaged for sale. Anyone recognize this description?
Tom
Walnut Creek, CA
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