Hi Bob Can you please send pictures of your set up? Thank you Hk On Sun, Jan 10, 2021 at 1:34 AM Robert Lauf via pbs < pbs@lists.pacificbulbsociety.net> wrote: > Orchid people call those "swamp coolers" and they are well known and > commercially available. Personally. I use overhead misters because so far > I've been too lazy to put up shade cloth, and my greenhouse is a bit small > for a big swamp cooler. The misters come on at noon and run for 10 > minutes. Temps still can get pretty high but as long as everything is > dripping wet, the (mostly) orchids and bromeliads do fine. I pot the > orchids in coco husk because that will tolerate the summer wetness much > better than bark. > > My summer dormant bulbs go outside under a roof so they are completely dry > all summer. > > You can get your greenhouse as cool as you want, all depending on the > power and water bills you can tolerate. All the materials to do the > overhead sprinklers are plastic and you can get everything, including > timer, pressure reducer, etc. at Home Depot, and it's all fairly cheap. I > can send pics of my setup if that would be useful. > > Bob East Tennessee > > > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> > _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>