Hello Iris, Just another thought on chilling phals, if you try the ice method, I would use a cooler and those reusable gel packs (medical or you can get a sporting good stores along with the cooler) that you could freeze during the day.
Cheers, Mark Sullivan 1% for Orchid Conservation http://www.orchidconservationcoalition.org _______________________________________________ the OrchidGuide Digest (OGD) orchids@orchidguide.com http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com