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  #1  
Old 5th December 2008, 02:09 AM
eric_sow eric_sow is offline
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Join Date: Wed May 2007
Location: Malacca
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Cool 18 degree space cost 42 cents per day.

Recently saw few of member is trying build up a cool tank for cephalotus and heliamphora. Let me share my lately build which had share with some people.

water pump RM22
soft tube 4 feet RM4
Aluminum box one feet RM4
tube connector x2 RM12
radiator (second hand from car air con shop) Rm10
Silicon glue RM8
water reservoir (found it at home)
power supply (get from old PC)
Thermoelectric from ebay RM40
ice box RM10
heatsink and fan (get it from old pc)

pre test.










Result :


Tank have't complete as need to setup lighting and automatic switch. Fan life still under stress test, hopefully it wouldn't so fast. Now my Cephalotus and Heliamphora keep inside the ice box at night. Put back to my rack at morning.

Last edited by eric_sow; 6th December 2008 at 01:43 PM.
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  #2  
Old 5th December 2008, 11:54 AM
arvin555 arvin555 is offline
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Location: Manila Philippines
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Default Re: Cool tank

Nice setup, wow, those thermoelectric things can really get that cold! Didnt' know I! Is is 220V powered or DC powered?

As for your fan, if you think that the fan is blowing too fast, maybe try buying one of those Variable resistors that they use to control lighting bulbs, dimmer. Just be sure that the capacity is correct for your use. That will help you increase or decrease the speed of the fan.

Lastly, may I know where and how much you got your thermometer/hygrometer?

TTFN
Arvin
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  #3  
Old 5th December 2008, 03:35 PM
eric_sow eric_sow is offline
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Default Re: Cool tank

Arvin,

The component run with Max 15V 10.5A DC. I had connected it with PC Power supply unit 12V 10A DC.

The fan issue not it spinning to fast. Is the humidify cause the fan short circuit. During my experiment, I had changed 2 fan due to above matter.

The digital thermometer/hygrometer I bought from ebay cost me AUS$14 including postage fee.
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  #4  
Old 5th December 2008, 07:22 PM
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Aliamyz Aliamyz is offline
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Default Re: Cool tank

Wow looks like a pro's setup.Well done Eric.
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  #5  
Old 6th December 2008, 10:00 AM
eric_sow eric_sow is offline
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Default Re: Cool tank

Thanks Ali.

After a night running, the cool tank managed to archive 18.5C. Do believe this temperature could keep most of the highland CP. Still haven't install lighting, hope this won't affect the cool result. Will update soon...

Last edited by eric_sow; 6th December 2008 at 11:23 AM.
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  #6  
Old 6th December 2008, 11:07 AM
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Aliamyz Aliamyz is offline
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Default Re: Cool tank

What light do you use for your tank Eric?
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  #7  
Old 6th December 2008, 11:28 AM
eric_sow eric_sow is offline
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Default Re: Cool tank

Ali, I am planning install 36W PLL tube on it. Before that, I need make another cut on the top of box and stick a piece of acrylic board with silicon glue.
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