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I'm currently vegging under T5's and love them so so very much. I have been thinking quite seriously of replacing my 600watt HPS with a dump truck load of T5's for flowering too. I'd be curious to hear from others who flower under T5's and anyone who might veg and flower under T5's. I have a 3'x2' table, so maybe 8 plants at most, but their in a confined closet type space so heat tends to be bad in the summer.
T5's work good for flower. They still give off a fair amount of heat. I was using 16 four foot T5's and swapped to a 1000w hps. Haven't noticed any increase in yield with the hps.
Why did you switch? I'm trying to go the other way. If your coming this direction then maybe I should just stay here, keep the 600watt and forget replacing it with T5's for flower.
I would like to hear more about this as well I have enough room to fit two T5s
How much yield can one get from these lights I do understand there are a lot of
variables to this answer. So a ball park answer would be nifty.
Also if someone could point us in the right direction to a T5 grow log would
be great as well.
you won't have as big and dense nugs with the t-5s as you would with the 600W HPS. they are still fluroescents, just more efficient than the spiral type and the heat is dissepated over a greater area. your resin production might lack a bit as well. to get results anywhere close to the 600W you will need so many t-5s that the heat will be the same or more. HPS is a more efficient light than fluros. if i were you i would invest in an air-cooled hood or a portable a/c or both.
-shake
So how about quality? Could one grow at least a c+ grade using 2 T5s? I'm in a closet that is 2' deep, 6' ft. long 8' tall. Not that was relevant to the conversation.
Hypo...with due respect to the responses thus far, I think T5's are a little more powerful then most people will give them credit for. I can testify to their power under vegetation which is a 6500k or 6000k bulb depending on which bulb and technology you end up with. I have been looking into something called Power Compact which is a socketed bulb with a square end. It basically takes a T5 and bends it around like a CFL, which allows you to not need wires on both end. Depending on the application, it can make or break the decision to use the technology.
Take a look a utube for T5 grows or floro grows. It will at least get you started. I would like to see some data or comparisons though before deciding to pull out my 600watt light.
I'm sure in 12 months time I will have this information, but since I have so little experience right now nor do I have enough harvests under my belt to be able to speak about this stuff knowledgeably. I know having grown for nearly a year now (and not a single successful harvest..lol), what works and does not work for me and my space. Past that, what works and doesn't, I guess I wont know till I try it and see what happens.
http://boards.cannabis.com/grow-log/...ow-t5-e-f.html
if used correctly, T5's can give you great results.
Raizla did a grow log and got about 90% finished before he bailed the board. :what: It did look impressive.
http://boards.cannabis.com/grow-log/...s-nirvana.html