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  #11  
Old 06-13-2018, 10:53 PM
mremensnyder mremensnyder is offline
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Achieving day/night temperature differential indoors
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Ray,

I see what you are saying. I did think about increasing rather than decreasing the temperature. Then you would have 70F-75F at night and perhaps 80F-85F during the day. This should be fine (perhaps not 100% ideal) for most paphs. Then in the winter, the dedicated room could be lowered accordingly.

I actually tried Peltier cooling a number of times and could not make it work well for any length of time. I had a terrarium consisting of a bottomless 10 gallon fish tank on top of a thermoelectric cooler with the top removed. The two were glued and taped together. It actually worked ok but I had to replace the whole cooler every couple months since it would burn out from having to run so inefficiently with the top off.

I also kept telipogons in a fridge for a while back in 2011. This worked quite well.

For Paphs, I would need a bit more space than either of these options would allow. Controlling a whole room of the apartment seems like the way to go.
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  #12  
Old 06-14-2018, 06:46 AM
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Quote:
Originally Posted by mremensnyder View Post
I actually tried Peltier cooling a number of times and could not make it work well for any length of time. I had a terrarium consisting of a bottomless 10 gallon fish tank on top of a thermoelectric cooler with the top removed. The two were glued and taped together. It actually worked ok but I had to replace the whole cooler every couple months since it would burn out from having to run so inefficiently with the top off.
That was a problem with your setup, not with the cooler...

As was stated in another thread, temperature variation is far more important on a seasonal basis, as it relates to blooming, than it is for diurnal cycling. Worrying this much about it for paphs is a waste of time and money, and I'd bet that if you had a representative population of the same plant to split between cycled temperatures and not, you'd see little- to no difference.

On the other hand, if your goal is to grow species that require lower temperatures overall, definitely go for it.

There was a gentleman in the Delaware Orchid Society (Dr. Rau) who grew Andean species. He purchased a 40' refrigerated shipping container and outfitted it with lights and water, creating the ideal environment.
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  #13  
Old 06-14-2018, 10:11 AM
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Refrigerated shipping containers for sale
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It's a dry heat.
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  #14  
Old 06-14-2018, 10:26 AM
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Tough to fit into an apartment...
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Old 06-14-2018, 10:34 AM
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Maybe on the balcony?
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Old 06-14-2018, 10:57 AM
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I'm on it.
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  #17  
Old 06-18-2018, 01:17 AM
Optimist Optimist is offline
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I think you would simply need a moisture tray. I'm sitting here at 11:15 at night, and the temp in the house is 70, and the humidity is 54. I have a large fish tank in an adjacent room (75 gallon) that keeps the humidity higher. I am in New Mexico (the desert part).
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  #18  
Old 06-18-2018, 08:02 AM
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I think you would simply need a moisture tray. <snip> I am in New Mexico (the desert part).
And evaporative cooling won't work nearly as well in humid SE PA as it does in "the desert part" of NM!
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