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all the data I've seen suggests they work much much better. esp if they are made from copper. the copper heatsinks / pipes to aluminum fins is what I want

something like this. the circles represent where I want COBs

I think 8 total COBs in a 4' x 4' running them at 100 watt each

i want to fully utilize all of my vertical space so i want small lights. I dono

soooo I want something like this but for 4 COBs so I'd have 2 of these in a 4' x 4' how hard is it to make something like this? loll

where is everyone buying cobs from? if I wanted to buy 256 of the CXB3590 where would be the best place to buy them?

let us know if they are really CD bin or not please and thank you!

daaaaamnnnnnn okay I'm really close to ordering 2 of the CX-16

it has the CXA2540 though... i thought everyone was CXB3590 or bust?

that CX-16 looks great !! you're saying it's not a good light? I want to build that exact light enclosure except use the top bins and most efficient drivers

people are gonna keep laughing at us till we start looking more professional.... haha. I found one on alibaba but you gotta order 50 of them

where can you get the enclosure with 16 holes for 16 cobs??? i'm looking to build something similar but i need to get 2+ pounds per 4x4

http://www.cree.com/xlamp/horticulture interesting or meh?

yeah? lets get the top experts from this section and we all work together to plan and design a very cost effective, simple to put together, great designed LED light that will replace a 1000 watt HPS. it will all be very well documented, we'll have links to where to buy what, step by step build...

My plants are looking like shit after being under these LED for only a few days... at this stage under my HPS the plants still look flawless... Soo... am I doing something wrong? Do I need to tweek the ratios of different elements in my food? Anyone else run into anything similar when switching...

okay lets say I go 8 x 8... how do I put in like doors and shit that will be airtight? haha... I mean I dont wanna be ghetto and just use panda film as a door. I need to make it look kinda professional if that makes sense

Yo!!! I just got 4x of the BML SPYDR 1200 and I want to build an airtight sealed box so I can use CO2.... I can't just build out the entire room because the area this is going into is about 200' x 400' (this is all for testing purposes) so... if I go to home depot, what do I need to buy to...

strain is 'Hong Kong Star' in Pro-Mix HP and 2.5 ml of Dyna-Gro Foliage Pro... the guy I got the clone from originally said this is "normal" for this strain and he's seen it on his plants for the last 3 years.... all the other strains in with these are perfect no issues at all.... ideas!??!?!?!?

I'd pay at most $200 for just the fixture, then put in my own cree LED.. if this is so easy to make, then show me how haha

the designer claims the LED will last 40 years because the temp stays very low. temps stay below 55 degrees. Check this !!!!!! http://www.jakedyson.com/products/ariel-downlight/