If they're all together in one area, why not get a humidifier or heater to put near them? Depending on what kind of alliances you grow, either heat or humidity could be the priority, and you wouldn't need both.
Also- below 60 generally isn't a problem, in fact it can be beneficial for those that like winter rests, or require the temperature and light cues in order to bloom (i.e., Phals). Phals can get cranky if it gets into the 40s though, from what I hear.
Last edited by Izzie; 09-25-2010 at 09:43 PM..
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