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Old 04-12-2008, 02:09 AM
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Default Are my CFL's wrong kelvin?
Ok, so i bought 4 23w CFL's from Rona a few weeks ago and its 4100K, i read in the grow faq, that it can be used as a "supplemental" light to a light with 3000k, my plants have grown for jack shit basicly its been about two weeks and two are about an inch tall
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Old 04-12-2008, 06:28 AM
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Ok, so i bought 4 23w CFL's from Rona a few weeks ago and its 4100K, i read in the grow faq, that it can be used as a "supplemental" light to a light with 3000k, my plants have grown for jack shit basicly its been about two weeks and two are about an inch tall
More info would be helpful. How many plants are you trying to grow with these lights? The 2 week period you're talking about, is that 2 weeks from when they plants appeared above the soil, since you planted seeds or what?
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Old 04-12-2008, 07:06 AM
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I find the 6500k work the best for vegging.

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Old 04-12-2008, 01:33 PM
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More info would be helpful. How many plants are you trying to grow with these lights? The 2 week period you're talking about, is that 2 weeks from when they plants appeared above the soil, since you planted seeds or what?
its four cfl's with only two plants in there, it's been two weeks since they have appeared above the soil, and they arent looking too good, like they have a defficiency now, but they didnt always look that way

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I find the 6500k work the best for vegging.

Hank.
what type of store did you get yours from?


my seedlings right now look somewhat like this guy's
Error
except mine are lookin a bad colour
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Old 04-12-2008, 05:17 PM
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I got mine at Lowes.

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Old 04-12-2008, 05:26 PM
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you can get them online on ebay in three packs or whatever for dirt cheap. if you're using a regular light socket, why not just go for the 42W? they put out quite a bit more light - the 23W are just kinda pathetic. The larger bulbs, 125W for example, put out even more, but are much more expensive and larger. The 42W are the sweet spot, IMO, and you can just throw half a dozen of those bad boys in there.
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Old 04-12-2008, 05:29 PM
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That said, your growth is not unreasonable, but it sounds like you have some nutrient issues to deal with before blaming the light too much for the slow growth. Are you using pre-nuted soil?
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Old 04-12-2008, 07:07 PM
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That said, your growth is not unreasonable, but it sounds like you have some nutrient issues to deal with before blaming the light too much for the slow growth. Are you using pre-nuted soil?
my soil is .1-.1-.1 so you tell me if this is the problem
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Old 04-12-2008, 07:40 PM
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how close are your lights to the plants? if your plants are that small, it is unlikely that you are developing a nutrient deficiency (assuming you didn't add supplemental nutrients). i would guess that the lights are too close, or you are over/underwatering.
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Old 04-12-2008, 07:43 PM
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how close are your lights to the plants? if your plants are that small, it is unlikely that you are developing a nutrient deficiency (assuming you didn't add supplemental nutrients). i would guess that the lights are too close, or you are over/underwatering.
i dont believe it's the watering, my lights are like 9" away because thats as close as i can get them secured. im gonna try seeding 4 more seeds in the same soil, but i tried to take out as much fert as possible. i think the light intesity is slowing growth, but i dont know what to do
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