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Cool tank for growing masdevallia, dracula and pleurothallids in Singapore

#1 User is offline   jythong 

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Posted 15 August 2009 - 01:05 PM

Has this for a few years, and quite successful in growing these cool growing orchids in hot tropical lowlands. The tank is constantly in bloom as many of them bloom a few times per day, especially the hybrids. Temp ranges from 17C to 24C, but usually about 19-20C daytime and 17 C night.

Some updates of my tank:

Last week:
http://i268.photobucket.com/albums/jj10/jythong2008/DSC_0015-7.jpg

Yesterday, in flower are Masdevallia hirtzii, meijiana, coccinea, Ghostbusters, an Australian hybrid (possibly notosibirica X infracta), a M triangularis hybrid, Dracula amaliae, D diana, pleurothallis alata, oberonia species and lepanthes telipogoniflora and in bud, M ?biflorum, Dracula cordobae.

http://i268.photobucket.com/albums/jj10/jythong2008/DSC_0021-6.jpg

Closeup:
http://i268.photobucket.com/albums/jj10/jythong2008/DSC_0023-5.jpg

Strangely, very few Singaporeans have tried this...if given the right temp and humidity, these miniature orchids do very well. Do give it a try!
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#2 User is offline   davwong 

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Posted 15 August 2009 - 01:46 PM

Can post picture of the full tank shot.
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#3 User is offline   Chawanmushi 

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Posted 15 August 2009 - 02:00 PM

Given the interest in setting up terrariums, I believe this is going to be pretty popular here too.
May I know how do you set up a cool tank? Put the tank in air-con room?
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#4 User is offline   Dnn 

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Posted 15 August 2009 - 03:05 PM

Wow! your tank of orchids are beautiful. How do you maintain the temperature? Are the orchids available in our local nurseries? Good of you to share. Something new to me.
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#5 User is offline   jythong 

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Posted 15 August 2009 - 04:54 PM

It is placed in an aircon room. It is unfortunate that there is, at present, no cooling element that can just cool the tank, rather than cooling the whole room the tank is placed in, which is quite energy consuming. We do know of peltier systems, but don't think it cools significantly. Only one way- get those fridges with transparent doors for selling drinks etc.

Hence the simplest is actually a tank in an aircon room, preferably 24hr aircon. With a fan blowing cool air and an ultrasonic humidifier piping mist into the tank, humidity is at 80% and temp is kept constant at 17-20C. Lights are T5, about 4 T5 over the 2 ft tank. Very simple actually.

The obvious flaw, of course, is that when aircon in room is switched off, temp goes up. But after years of searching, so far this system is the easiest to set up, most aesthically pleasing and least intrusive on the surrounding (human) environment.

The plants were acquired locally, in Malaysia, Australia and mail orders from Ecuador. The thing is that once you get the temp right, these South American miniatures are easy to maintain and flower.
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#6 User is offline   guppy 

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Posted 15 August 2009 - 05:09 PM

View Postjythong, on Aug 15 2009, 04:54 PM, said:

It is placed in an aircon room. It is unfortunate that there is, at present, no cooling element that can just cool the tank, rather than cooling the whole room the tank is placed in, which is quite energy consuming. We do know of peltier systems, but don't think it cools significantly. Only one way- get those fridges with transparent doors for selling drinks etc.

Hence the simplest is actually a tank in an aircon room, preferably 24hr aircon. With a fan blowing cool air and an ultrasonic humidifier piping mist into the tank, humidity is at 80% and temp is kept constant at 17-20C. Lights are T5, about 4 T5 over the 2 ft tank. Very simple actually.

The obvious flaw, of course, is that when aircon in room is switched off, temp goes up. But after years of searching, so far this system is the easiest to set up, most aesthically pleasing and least intrusive on the surrounding (human) environment.

The plants were acquired locally, in Malaysia, Australia and mail orders from Ecuador. The thing is that once you get the temp right, these South American miniatures are easy to maintain and flower.


Wow, cooling the whole room for the tank is very energy consuming. Fridges for drinks will probably be too cold. How about those that florists use for keeping their imported flowers?
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#7 User is offline   cadenza 

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Posted 25 August 2009 - 09:01 PM

lovely colours!
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#8 User is offline   BriteLumens 

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Posted 07 August 2017 - 08:45 PM

Hi, are you still keeping these?
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