I like it, an urban growing medium. :-)

I even found a site.
http://homepages.ihug.co.nz/~mushspor/oysterdetails.htm

What I'd like are home grown porcini :-) or even shop bought fresh
ones for that
matter. I've never seen any.
--
Cheers,
Loki [ Brevity is the soul of wit. W.Shakespeare ]