Need help setting up my grow cabinet

As far as head room goes, LED and HID are pretty comparable. Most LEDs require 18" from canopy. I think you are on the right track with the T5.

 

Check out my small scale grow. I'm having pretty solid results using a 300w LED in a 2ft x 2ft x 3 ft tent with a carbon filter ducted to an inline fan. I'm expecting maybe 1.5-2 ounces. This is my first grow, mind you.

First Grow - Camelwalk Kush/300w LED


Sent from my iPhone using Grasscity Forum

 

4 square feet as in 2x2? This is the perfect light for your space. These are "the best" LED's you can buy right now. No light is getting higher gram per watt figures than these lights. I know they're spendy. You'll thank me when you make over 1/2 pound with a 200 watt light. Just sell something and buy one. You'll be glad you did. The lights you're looking at will be lucky to get you 1g/watt if you're the best expert grower around. I've seen 1.9g/watt with these lights.

When you're growing something as expensive as weed is, the potential to double your yield shouldn't be ignored even if it costs a little more than you want.
200 Watt Cree CXB3590 Square Framework

 

I must admit I am very impressed by these and if your a do it yourself kinda person this is the answer
still pretty costly even at the cheapest of places found at about 35-45 per chip , at 56 watts each. not a bad option if your handy .
You pick the color.(2700k-6500k) figure 100 for the first chip to build than add 50 for each one after. so for 4 about $250 and 8 of them $450+ add some hardware place it into a glass tube w/ducting on both ends you know the drill LED without heat. will still burn plants if too intense for too long and these can be dimmed. now add a controller, a computer and whatever and set it to mimic the sun
in the morning the sun will get brighter(more intense as the day goes on, than dims till sundown )

or maybe that controller....

 

How can i build a cree?

 

There's many youtube video's. There's DIY's in the lighting section at this forum. Realstyles does some DIY threads here at GC among others users. You can source parts on the net or if you noticed, this site sells kits with lights, lenses, drivers. You build your own frame. As far as parts though they're more money than getting your stuff other places on the net.
Timber Grow Lights

 

Tha

Thanks i want to try some, im an aerospace machinist and could buid some nice units if i can get parts that are nice and i could get some real numbers from some builders

 

It's super easy to find info. Google is your friend. Lots of info in GC in the lighting section and other places. It's been the beezneez in the DIY hacker light community for over a year now. Everyone is building their own lights and smashing most commercial fixtures yield per watt numbers except me.. heh.

 

Just spent the last few hours watching that cats videos, he's putting out some really clean looking stuff,
Eventually I would like to try a diy cob


(€};-]

 

Than maybe this?

 

How about outfitting my 13x15 flower room? What do you think on cost to cover most of it say 10x10 or 12x12? Could these save me or break the bank, i could re up for next run with this, and make my own fixtures (aerospace machinist here). Just seems like alot..

 

With the Cree yes I could see doing this I could see placing them in the walls and ceiling still want a HID in the middle. if you balance the watts you might come up with something special

here take a look at these I think I found a winner convert T5 into LED