G?rard, does your black stuff have a slimy, slippery (and rather lumpy) surface when wet, but form a hard mat when dry ?
Peter O'Byrne in Singapore > I've been growing orchids for some years now but there is a problem > for which i have found no cure. There is some black thing that > develops on the surface of the compost and roots of my orchids > after 1 or 2 years of culture. It something that looks like moss and > it's black. _______________________________________________ the OrchidGuide Digest (OGD) orchids@orchidguide.com http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com
