Mr Plummer said: >Thank you to everyone who responded on- and off-list >to my query about a wet wall for my new greenhouse.
Bear in mind Legionella as a potential problem. (Same with swamp coolers, but teh better ones have a UV disinfector in the sump.) ______________________________ Oliver Sparrow +44 (0)20 7736 9716 www.chforum.org _______________________________________________ the OrchidGuide Digest (OGD) orchids@orchidguide.com http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com
