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Old 02-10-2009, 04:44 PM
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Default question on 2700k bulb
Ok I believe I now have enough cfls for veg

Tomorrow will be hooking up two 65watt cfl along with 4-6 27watts (6500k)

Should be enough lumens for veg

Now my question is I am getting ready to purchase some 2700k cfls

I would like to get the highest wattage going

I saw on ebay they have a 250watt 2700k bulb for about 100 dollars.

However that seems to pricey for me.

So my question is what is the highest 2700k cfl that I can get.

Keep in mind that I am limited with space and am growing 4 plants.

I will post some pics of the new setup of my grow box with the extra lights that I just got.
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Old 02-10-2009, 04:47 PM
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I have seen 45w cfl with 2700 lumens at walmart in allberta canada.. and that was yesterday when i bought two more lights
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Old 02-10-2009, 04:59 PM
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Ok I think these will fit my budget and I think all i need is 6

http://www.1000bulbs.com/55-Watt-Com...rescents/6730/
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Old 02-10-2009, 06:13 PM
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http://www.1000bulbs.com/105-Watt-Co...rescent/31682/

$9 more or so for 105 watt full spectrum
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Old 02-10-2009, 06:37 PM
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Quote:
Originally Posted by TeaTreeOil View Post
http://www.1000bulbs.com/105-Watt-Co...rescent/31682/

$9 more or so for 105 watt full spectrum
I just checked that link and they are 27 dollars each
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Old 02-10-2009, 06:44 PM
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Quote:
Originally Posted by keico View Post
I just checked that link and they are 27 dollars each
ya the 40w 43w 45w bulbs go for 10-17 dollars from what I have seen in stores.
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Old 02-10-2009, 07:13 PM
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55 watt CFLs @ 15.55 x 6 = $93.30+s&h(probably double this, too).. versus.. three 105 watt CFLs would be $81.54+s&h... 21,600(~130 cubic inches/bulb*) vs 18,600 lumens from (~102 cubic inches/bulb*)... from what I understand 5000K bulbs can be used for the entire grow. And the 105 bulb is more efficient for its size*.

I also think that globe-shape bulb would be awful to find/make a reflector for. Cone reflectors suck. The best reflector is a flat surface with no greater than ~45 degree overhangs. The smaller diameter also works to your favor as there's less light trapped between the reflector and bulb.

*As perfect cylinders

Just my two cents.
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Old 02-13-2009, 12:40 PM
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5500 can be used throughout the entire grow-same as lower 2700 can be used throughout. its just you want more lights with less k during flowering
 

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