How much T5 Lighting needed in a 4x4 Tent

000StankDank000

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T5 lights always look under powerd to me. I need a new light for Veg for my Tent. Will a 8 Bulb T5 HO do the job? Or should I go 2 8 bulb T8? Or just get an LED light.

Power usage is a big factor or I would just grab a 600watt MH light.

Trying to find the most light that cost nothing to run and is cheap to buy.
What would you go with?
Thanks Stank
 

Hackerman

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Go with the biggest one that will fit. The nice thing about the T5 fixtures (at least the one I have) is there are switches to turn on 2, 4 6 or 8 lights.

In a 4x4, I would get their 12 bulb. I think that is the biggest they make. I have the 8 bulb in my 3x5 tent and the coverage is incredible. So much better than the 400w HID I used to have in there.

Better to have it and not need it, than to need it and not have it.
 

000StankDank000

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Didn't know they made a 12 bulb unit.
Do you have a link on a cheap 12 bulb that ships to Canada?
 

lyfespan

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Can you get stuff off eBay?

There's a 12 tube T-5 for 165 you could fix 2 of them in your tent. That's just under 1300 watts and 120,000 lumens
 

MR1

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Yes, Ebay, that is where I bought my 6 tube, 4 foot.
 

000StankDank000

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So let's round that up say $200 each that's $400 . I can buy a 600watt MH or and LED.
Will T5 be enough and save on power that much to go that route
 

pcduck

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In my 2x4 veg tent I use a 4 bulb light. Works just fine.

In a 4x4 I would use 2 of them.
 
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So let's round that up say $200 each that's $400 . I can buy a 600watt MH or and LED.
Will T5 be enough and save on power that much to go that route
You could buy a 600W MH, but you could not get a good LED for that space for that money. LEDs have come down a lot, but I was still looking at about $600 to light 9 sq ft. I am in a smaller space where I am wintering, so I got a 12 tube 2' T5 when I decided that the LEDs were still to much for me. By the way, I think a single 4' 12 tube in a 4 x 4 space would be just fine for you--don't think you really need 2.

These are the reasons that I prefer the T5s to the MH. First is that they provide about the same lumens per watt as the T5s. The T5s I recently purchased were more than 100 lumens per watt--288W providing 30,000 lumens. Second, they run a lot cooler, lumen for lumen. Third, you have great coverage as the tubes spread the light more evenly than the single MH bulb. You can also get the tubes down almost on top of the plants. Fourth, you can have a mix of blue and red tubes. Fifth, you can run differing amounts of tubes--either, 2, 4, 6, or 8 on 8 tube fixtures and 4, 8, 12 on 12 tube fixtures. Cons as far as I have experienced is not as much penetration as the MH. However, a large part of this is negated because of how close you can get T5s and how far away MH have to be.
 

lyfespan

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So let's round that up say $200 each that's $400 . I can buy a 600watt MH or and LED.
Will T5 be enough and save on power that much to go that route
Ok last time, here are the 12 tube fixtures, ordered thru me I can get them for 145 ea. these fixtures are under 24" wide so you can get 2 into a 4x4 tent.


http://m.ebay.com/itm/261463093279?nav=WATCHING_ACTIVE&skus=Model:VG%20412%20-%204%20ft%20x%2012%20Lamps&varId=560344020904

There is no other way for you to efficiently light the space you have, you're putting way too much thought into things that don't matter. Wishes are for fishes, stop dreaming and get growing.

You will never be able to deal with the heat from 2 MH fixtures adequately, sorry.

You need to look at your grow space objectively, line out all your parameters and restrictions and move forward with a plan that will work in YOUR space.
 

oldfogey8

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like pcduck, i have a 4 ft 4 bulb ho t5 in my 4x2 tent. i think that is 216 watts. my plants seem very happy under that fixture. i use 10000 kelvin bulbs. my plants have always been short, fatty girls, even my sativa dominant thai's. i looked on amazon and i see you can get an 8 lamp fixture for aboot $160 usd, eh?(to speak canadian). that'd prolly do it for a 4x4 tent.
 

000StankDank000

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I am planning ahead . Your link ships to USA not Canada.
So I can't even ask questions without someone freaking out.

I'm trying to learn from you guys sorry I don't just do it right away.
 

lyfespan

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I have this type, couple to choose from. I did have to replace a capacitor in one of the ballasts, and I don' think you get top quality bulbs, two burnt out in about a month.http://stores.ebay.ca/thegrowzebo?_trksid=p2047675.l2563
That's my guy right there, I knew he said he shipped to Canada!

Dank, I'm trying to get you up and running with the most cost effective stand point. You're doing just fine, keyboards convey no emotions, so it's up to us.

The lamps aren't the best, no. But they also take a lil beating in transit. I replace mine with Satco hygrade 5000k tubes anyways.

But you know you can't beat that price!
 

000StankDank000

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$200 for light $100 for shipping god knows what customs will want it's over $300 .

I hope I'm happy if I go the 12 bulb T5 route.
 
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PLEASE DO NOT BUY THAT!!!!!!! I used one....many years ago. Save your money. Go with a T5 or MH. I disliked it so much that I did not even pass it on to someone else, but trashed it. It is just a big CFL with all the disadvantages of CFLs. Stank, do you want me to run through all the disadvantages to using CFLs (again)? Let's see......I think I have that one tattooed on my left upper arm....

Regardless of the way a T5 may look, it does an excellent job of vegging at even 3000 lumens per sq ft. So, yes, just pick up another 4 tube unit or maybe even a 6 tube fixture if you find one for a good buy and use the 4' 4 bulb fixture you already have. Or, you could put up a reflective divider that is easily moved and use the fixture you have and 1/2 the space for vegging.

I really don't see anyone "freaking out". Try and relax some. This should be a fun thing to do and not so stressful. Get another T5--out of all the vegging lights, regardless of money, T5s are my favorite. And you already have 1 fixture.

Here, hit this. A little Boy Scout Cookie (Larry OG x Girl Scout Cookie) :48:
 

000StankDank000

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I can't I'm in class.

I just like to talk growing. I'm just asking questions to get ideas and oppions.

Some people do freak out that I don't jump at what they say and keep asking questions.

THG you have always been great Thanks
 

Rosebud

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T5's look underpowered to you? Do you have one. In my not so humble opinion it is the only way to veg.
 
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