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04-06-2008, 08:49 PM
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Senior Member
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Join Date: Mar 2008
Zone: 8a
Location: Alabama
Posts: 139
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Evaporative Cooling Mat?
Where do I find an evaporative cooling mat? My home temps have been fine but as its warming up outside and I have only one Masdie, every other of my orchids needs warmer temps.
Thanks.
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04-06-2008, 10:04 PM
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Senior Member
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Join Date: Sep 2006
Zone: 5a
Posts: 9,277
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Not sure of your setup, but just about any of the spun metal furnace filters might work.
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04-07-2008, 12:33 AM
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Join Date: Nov 2007
Zone: 3a
Location: winnipeg
Posts: 2,013
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how about regular sponges?
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04-07-2008, 10:25 AM
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Moderator
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Join Date: May 2005
Zone: 7b
Location: Queens, NY, & Madison County NC, US
Age: 45
Posts: 19,374
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My question is if you build yourself, how do you keep the material wet?
__________________
"We must not look at goblin men,
We must not buy their fruits:
Who knows upon what soil they fed
Their hungry thirsty roots?"
Goblin Market
by Christina Georgina Rossetti
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04-07-2008, 10:59 AM
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Senior Member
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Join Date: Sep 2006
Zone: 5a
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My thinking was a small spun metal furnace filter with small holes drilled in top side. Hook up a drip irrigation system to drop water down through filter. Apply a large room fan outside tank and blow wet (cooled) air through tank.
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04-07-2008, 12:32 PM
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Administrator
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Join Date: Oct 2007
Location: middle of the Netherlands
Posts: 13,782
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Quote:
Originally Posted by Ross
My thinking was a small spun metal furnace filter with small holes drilled in top side. Hook up a drip irrigation system to drop water down through filter. Apply a large room fan outside tank and blow wet (cooled) air through tank.
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I agree with that! I've seen a setup like this several times in the greenhouses of seed companies. They use a different material (some sort of corrugated cardboard) but it works the exact same way. These things are highly effective. I stood in front of one during a visit to a company, and it was chilly!
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Camille
Completely orchid obsessed and loving every minute of it....
My Orchid Photos
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04-07-2008, 01:46 PM
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Senior Member
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Join Date: Sep 2006
Zone: 5a
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The reason for the furnace filter is a practical one - it doesn't rot or turn "funky" with constant moisture. Fiberglas, horsehair, etc. all will one day break down, plug or just get gross. When blowing bacteria around, that can lead to unhealthy conditions. The aluminum filters can be boiled, sprayed, what-have-you, to clear them up and clean them up for constant use. If I ever set up a "cool tank" I will try this method with a custom-built acrylic tank.
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04-07-2008, 05:46 PM
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Moderator
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Join Date: May 2005
Zone: 7b
Location: Queens, NY, & Madison County NC, US
Age: 45
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I can see how you can set up a cold terrarium this way. Get a drip system going, an internal fan, would epiweb work? So that would give you humidity, ventilation and cold temps. OoooH!!! Im excited about the possibilities. You could keep things like Masdies and salamanders. 
Has anyone actually measured how cold it can get using this system?
__________________
"We must not look at goblin men,
We must not buy their fruits:
Who knows upon what soil they fed
Their hungry thirsty roots?"
Goblin Market
by Christina Georgina Rossetti
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