Hushpuppy said:Yeah the T5 High output lights' bulbs come in both 6400k and 3000k light spectrum. the 6400k is the very bright white, almost bluish looking light that is ideal for vegetative growth. There is something about this light that encourages the plants to grow very tight nodes and very lush green leaves. The only issue with them is that the energy in flourescent lighting doesn't travel vey far, so they aren't great for vegging large plants.
Although I actually vegged and flowered a large mother under them one time and it worked quite well. The problem is that I had to litterally surround the plant in a tee-pee type of light setup so that it could get the amount of light needed to do well. I don't recommend doing that as using the HIDs for larger and flowering plants is more efficient and effective.
The 4ft T5HO bulbs typically put out 5000lumens each, so if you have a 2'x4' veg space for getting plants started, a 4bulb fixture will work nicely. Just remember the 3000lumen per sqft rule when lighting with T5s
Hushpuppy said:Yeah the T5 High output lights' bulbs come in both 6400k and 3000k light spectrum. the 6400k is the very bright white, almost bluish looking light that is ideal for vegetative growth. There is something about this light that encourages the plants to grow very tight nodes and very lush green leaves. The only issue with them is that the energy in flourescent lighting doesn't travel vey far, so they aren't great for vegging large plants.
Although I actually vegged and flowered a large mother under them one time and it worked quite well. The problem is that I had to litterally surround the plant in a tee-pee type of light setup so that it could get the amount of light needed to do well. I don't recommend doing that as using the HIDs for larger and flowering plants is more efficient and effective.
The 4ft T5HO bulbs typically put out 5000lumens each, so if you have a 2'x4' veg space for getting plants started, a 4bulb fixture will work nicely. Just remember the 3000lumen per sqft rule when lighting with T5s
I have finished some plants under my T-5's. I have the system with eight bulbs. I veg under them and have run some clones start to finish. The buds turned out rock hard and very good high. I think it would be more a strain question, whether they turn out tight or airy. IMO.sidewayz said:wen you use a t5 for flowering are the buds tite or airy?
Hushpuppy said:It depends on how much stretch that pheno has to it. If it is the typical 2x stretch then under T5 you could allow them to get about 18" before flipping. That way they will finish no more than around 3' tall. You can also let them get that tall then bend them over just before flipping them, if you have the area space to work with.
Just remember that you are vegging under high spectrum light (at around 3000Lm per sqft?) and will need to increase your lighting to above 5000Lm per sqft for flowering. I would suggest getting the extra lights for that with the 3000k bulbs so that you have a mixture of spectrums as the 3000k are best for flowering
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