Harri85274 wrote:

I saw this segment on Home & garden tv channel about this substance, as I was
talking to guests, so most of it went by me. it looked interesting. Anyone know
what it is? Its suppose to expand twice its size and aerate the potting
soil...Is this an improvement over vermiculite? Is it expensive?
HGTV has a web site and the info you want may be there.


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Travis in Shoreline Washington