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Old 09-09-2007, 11:11 AM
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Default CFL Wattage
Ive read on this forum that people tend to use 13w or 23w CFLs. Why is this? I added 4 100w CFLs yesterday. Wouldnt the higher wattage bulbs work better? there isnt really much of a price difference.

just wondering if the lower wattage CFLs are better for some reason since they are mentioned more on this forum?

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Old 09-09-2007, 11:28 AM
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Look at the packaging those lights came in really carefully. I think you'll find that you are using 23 watt bulbs.

4 - 100 watt cfls probably run you a couple hundred dollars. 4 - 23 watt lights would have run you about $10-$15
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Old 09-09-2007, 11:55 AM
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Haha wow you are right.. talk about being misleading writing 100Watts all over the box real huge.. there is like only one section in like size 8 font that says they are actually 23 watts..

Thanks for the heads up!
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Old 09-09-2007, 12:20 PM
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Haha wow you are right.. talk about being misleading writing 100Watts all over the box real huge.. there is like only one section in like size 8 font that says they are actually 23 watts..

Thanks for the heads up!


Throw a 42 watter in there and watch the difference. You are absolutely correct. The higher wattage lights provide far more lumen and will give you better light depth penetration.

Good luck!
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Old 09-09-2007, 12:40 PM
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do you think i need 42 watters in there? i have a 400w MH and the 4 23w CFLs. Ive got 9 plants. how much more growth would i get if i doubled the CFL wattage.

I hear CFLs make the plant grow horizontally more than vertically.. but shouldnt this be the same with MH since they have a similar spectrum histogram
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Old 09-09-2007, 01:37 PM
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i have a 400w MH and the 4 23w CFLs. Ive got 9 plants.
ooooohhh, nevermind. Would only help as side lighting, but I think your already golden
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Old 09-09-2007, 07:19 PM
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The cfls are gonna be basically a waste with the 400 watter in there.They dont really add to much. You can get actual 125 watt cfls online for 2 for $40 but the little one like the 23 and 45 watters are more then they are worth.Side lighting is about it as far as usefulness but even then youd be better off with $8 four foot florescent shop lights with 2 40 watt bulbs
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Old 09-10-2007, 09:38 AM
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yeah i wouldnt have gotten them if id known they werent 100w. oo that 125 watter looks nice. would they be good for flowering?
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Old 09-10-2007, 09:49 AM
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get a HPS for flowering.
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Old 09-10-2007, 10:14 AM
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why are we talking about CFLs in the advanced section?...just wondering....lol
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