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Old 08-12-2009, 10:21 AM
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Default Whats the best watt CFL?
I have this cabinet i just bought. and i wanna turn it into a grow cab. Its 3ft wide 6ft tall and 2ft deep. i currently have a grow in my closet and i wanna upgrade to this cab. i have 2 26w and 2 13w cfl. how many more cfls should i add?which ones get the best results? or should i just say fuck it and buy a hps? and if so, how many watts?
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Old 08-12-2009, 10:22 AM
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i have a veg 200W extra big ass cfl..its great!
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Old 08-12-2009, 10:25 AM
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was it pretty cheap?
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Old 08-12-2009, 10:28 AM
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i got it for 50 from a buddy..you can pick em up at the grow store pretty cheap too i think..check craigslist too.

http://www.cfluniversenew.com/servle...FQ7xDAod9kPteA - a link to some cheap cfls
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Old 08-12-2009, 10:33 AM
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Originally Posted by ManDude View Post
I have this cabinet i just bought. and i wanna turn it into a grow cab. Its 3ft wide 6ft tall and 2ft deep. i currently have a grow in my closet and i wanna upgrade to this cab. i have 2 26w and 2 13w cfl. how many more cfls should i add?which ones get the best results? or should i just say fuck it and buy a hps? and if so, how many watts?

HID Lights are Better hands down ..
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how big of a yeild will you think it gets? like a decent bong rip or what? lol
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Old 08-12-2009, 10:35 AM
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HID Lights are Better hands down ..
absolutely...but if power/heat/and cost are a factor, cfls are great. Ive seen a lot of good buds grown under cfls..

check some of roseman's theads..he's the man when it comes to growing with cfls..

always remember to get the highest watt possible..
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Old 08-12-2009, 10:46 AM
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absolutely...but if power/heat/and cost are a factor, cfls are great. Ive seen a lot of good buds grown under cfls..

check some of roseman's theads..he's the man when it comes to growing with cfls..

always remember to get the highest watt possible..

whats funny is when I first started growing .. my first couple of plants were grown with CFL's im sure everyone started with CFL's.. i had like 6-8 of them 32 watt ones... my bill was up to 120$
now that i use ONE bulb 400 watt HPS my bill is only at the highest 90$ now... but hey Like u said i seen some good buds grown with CFL's Also..
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how big of a yeild will you think it gets? like a decent bong rip or what? lol
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Old 08-12-2009, 10:49 AM
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you jumped your power up that much!?? i've never had a full grow with cfls..I keep a 200W in the veg/baby tent. no heat issues whatsoever. I had a 150W HPS in there...I even made a lil cooltube for it..that bastard was always in the 90's.
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Old 08-12-2009, 10:57 AM
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From Ed Rosenthal:

In the new Skunk Magazine there was a question in the "Ask Ed" section that just made my night last night when reading it...
The question was...

Tiny Grow Space

I intend to grow a single cannabis plant in a space 1' x 2'. What light would you recommend? I was think of using four 30-watt compact fluorescent lamps. Will this be enough? Cost isn't an issue but I am deterred from getting a high pressure sodium [light] because of the amount of heat the bulb produces.
Barry, Internet

As you mentioned, you have several lighting systems to choose from, including compact fluorescents and high pressure sodium (HPS) lamps. Among HPS lamps you have a choice between a single 100-watt lamp which uses a total of about 120-watts and emits about 8,800 lumens(73 lumens per watt) or a 150-watt lamp, which uses about 180 watts and emits almost double that-15,800 lumens (87 lumens per watt).

A 42-watt compact fluorescent (CFL) emits about 2700 lumens(64 lumens per watt). Four CFLs use 168 watts and emit 10,800 lumens. Other size CFLs have a similar efficiency.

However, that is only part of the story. Plants use mostly red and blue light. Yellow and green light is of little use to them, so light that is emitted in these spectrums is wasted energy. Most of the light emitted by HPS lamps is in the yellow spectrum. Only a small amount of the emitted light is is in the orange or red spectrums, which plants use efficiently. Warm white fluorescents (2700 Kelvin) emit a greater portion in the red and orange sectors.
Although fluorescents produce only about 75% of the light per watt that the HPS does, the amount of light usable by the plant is equal or probably higher with the fluorescents. You may wish to experiment to see if adding a single cool white CFL to replace one warm white results in shorter, stouter stems and more vigorous growth. The reasoning is that warm whites don't emit much blue light, which the plants use for photosynthesis and to regulate their growth. The cool white bulb supplies the blue light.

My call for your unit would be to use several (three to five) CFLs with a total input of between 120-160 watts. Although the 150 watt HPS is a bit more efficient that the CFLs in total output, watt for watt the fluorescents provide as much useful light as the HPS lamp. Heat is another consideration. The HPS runs much hotter and emits more heat than the fluoescents.

Make sure to use reflective material around the garden so that any light escaping the garden is reflected back to the plants. Any light that doesn't get to the plant leaves is wasted.


CHEAP CFLS
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Old 08-12-2009, 10:58 AM
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Quote:
Originally Posted by SmokeyMcSmokester View Post
you jumped your power up that much!?? i've never had a full grow with cfls..I keep a 200W in the veg/baby tent. no heat issues whatsoever. I had a 150W HPS in there...I even made a lil cooltube for it..that bastard was always in the 90's.
yea man that shit was crazy what made it even more f*cked up i didnt get a single Female.. lol
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how big of a yeild will you think it gets? like a decent bong rip or what? lol
 

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