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Simple lights as grow lights?
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Evaldas
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Joined: 30 Jan 2010
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Location: Vilnius, Lithuania, Zone 5

Posted: Thu 16 Dec, 2010 3:00 pm

And is 5500K good enough? (I can't get 6500K)
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beno
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Joined: 18 Apr 2007
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Location: Switzerland, Europe

Posted: Thu 16 Dec, 2010 3:47 pm

Evaldas wrote:
I'm going to stand the box with all the equipment and the plant inside right next to a radiator.


Very bad idea in my experience. Central heating dries the air, citrus love humidity. I have mine in cold room (2-10C) with warm roots (fairy lights) and south facing window. It loves it!!!
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Evaldas
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Location: Vilnius, Lithuania, Zone 5

Posted: Thu 16 Dec, 2010 3:49 pm

beno wrote:
<...>Central heating dries the air, citrus love humidity<...>

Not in my experience, my Calamondins wilt their leaves downwards when I mist them.
And I doubt that central heating dries the surroundings more than Christmas lights or a heating mat.
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GT
Citruholic
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Joined: 11 Jul 2010
Posts: 395
Location: Beaumont, TX (zone 9a)

Posted: Thu 16 Dec, 2010 11:24 pm

Evaldas wrote:
beno wrote:
<...>Central heating dries the air, citrus love humidity<...>

Not in my experience, my Calamondins wilt their leaves downwards when I mist them.
And I doubt that central heating dries the surroundings more than Christmas lights or a heating mat.

I think you should be ok. I am not sure what kind of "central heating" they use in Switzerland... It might be something similar to what we have when air is heated and then blown over the room. You, most likely, have the system where hot water is pumped through pipes and they heat the air in the room. As far as I understand, this system dries air much less if at all, so you should be just fine with your setup.
Regarding the temperature that was mentioned above, it is so called color temperature... In photography and colorimetry it is also related to the "white balance". The idea is to simulate the sun... Daylight color temperature is somewhere between 5500 and 6500 Kelvin while incandescent bulb is about 3500 K. So, again, your choice should be just fine. Wattage is perhaps less critical since you are not heating your plant by the bulb... You Just provide light for photosynthesis.
Good luck!
Gleb
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Evaldas
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Joined: 30 Jan 2010
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Location: Vilnius, Lithuania, Zone 5

Posted: Fri 17 Dec, 2010 6:53 am

I'm in Lithuania. My apartment is heated with simple radiators Wink
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Evaldas
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Joined: 30 Jan 2010
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Location: Vilnius, Lithuania, Zone 5

Posted: Fri 17 Dec, 2010 3:06 pm

How likely are the CFL light bulbs to cause fire?
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GT
Citruholic
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Joined: 11 Jul 2010
Posts: 395
Location: Beaumont, TX (zone 9a)

Posted: Fri 17 Dec, 2010 8:25 pm

Not likely at all. Most of the time, you may touch the cfl bulb even when it is on. This is ok since you will use It as a light source, not for heating the air.

Yeah, i am Russian and used to live there and our central heating systems with radiators... Wink I had few family friends growing citrus on their windows back in 80-90th under The same conditions as yours (except for cfl bulbs that did not exist then), so you should be just right.

Good luck! Wink
Gleb
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Evaldas
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Joined: 30 Jan 2010
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Location: Vilnius, Lithuania, Zone 5

Posted: Sat 18 Dec, 2010 7:03 am

Everyone's complaining how their citruses start to drop leaves when the radiators are turned on, my Calamondins haven't dropped a leaf! Since the radiators have been on Smile
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boost-boy74
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Joined: 01 Nov 2010
Posts: 42
Location: England, Uk

Posted: Sat 18 Dec, 2010 7:32 am

Evaldas wrote:
Everyone's complaining how their citruses start to drop leaves when the radiators are turned on, my Calamondins haven't dropped a leaf! Since the radiators have been on Smile


mine either Very Happy

i light my plants with 3 x 58w growlux plant tubes and my plants are going crazy Very Happy
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Evaldas
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Joined: 30 Jan 2010
Posts: 303
Location: Vilnius, Lithuania, Zone 5

Posted: Tue 21 Dec, 2010 12:50 pm

So apparently 5500K is the same as direct sun, and 6500K is overcast daylight, which is perfect as I'm getting 5500K bulbs, which should arrive any day now.
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Evaldas
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Joined: 30 Jan 2010
Posts: 303
Location: Vilnius, Lithuania, Zone 5

Posted: Tue 21 Dec, 2010 2:26 pm

Yay! The bulbs have arrived. Smile
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Evaldas
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Joined: 30 Jan 2010
Posts: 303
Location: Vilnius, Lithuania, Zone 5

Posted: Mon 10 Jan, 2011 4:04 am

Progressing fast:
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GT
Citruholic
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Joined: 11 Jul 2010
Posts: 395
Location: Beaumont, TX (zone 9a)

Posted: Mon 10 Jan, 2011 4:10 am

Great! Evaldas, excellent job!!
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C4F
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Joined: 12 Feb 2010
Posts: 139
Location: San Joaquin Valley, CA

Posted: Mon 10 Jan, 2011 6:23 am

Great job. So out of curiosity, what does your soil temp measure (ranges or on average)? You opted for 2 of the bulbs, right? I see you went reflective material, too.
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Evaldas
Citruholic
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Joined: 30 Jan 2010
Posts: 303
Location: Vilnius, Lithuania, Zone 5

Posted: Mon 10 Jan, 2011 8:48 am

C4F wrote:
Great job. So out of curiosity, what does your soil temp measure (ranges or on average)? You opted for 2 of the bulbs, right? I see you went reflective material, too.

The soil is about 25-27C. Yeah, it's two 85W, 5500K CFL bulbs.
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