Thanks for your help Ray, the pumice that I have commanded will arrive next week and I do not know if it is really round. If it is not, I could perhaps mix it with some Seramis (I have some and is really round), do you think this would be a good idea?
Thanks again Olga _______________________________________________ the OrchidGuide Digest (OGD) orchids@orchidguide.com http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com