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Arcillite
Hello..
A friend of mine just came back from a local greenhouse with some "Aquatic
Plant Growing Media." I forgot to write down the brand name. It is described
as a 100% mineral soil, and makes a bunch of other claims
that all basically say that it has a high CEC, no organics, and no effect on
pH. The guaranteed analysis states that it is 100% Arcillite. Anyone had any
experience with this stuff? Any geologists out there have any ideas as to what
it is composed of?
Rgds
Dave Gauthier
gauthie9 at pilot_msu.edu