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I hope someone has answered but if they haven't... What I don't like about these lights is the lack of control other than on and off. I love using a pulse mod in my pcb gives me good dimming capibility. If you are looking for a good screw in horticulture LED, check this out.... OSRAM SYLVANIA...

Thanks for the info!

wondering what you think about mixing the two, COBs and bloom bars?

YUP!

the dark crystal... Jim Henson.

YUP! me too. here is another one... the design is killing me http://www.alibaba.com/product-detail/CXB-3590-Integrated-COB-LED-Grow_60366093043.html?spm=a2700.7724857.29.102.FEHR5d

http://www.alibaba.com/product-detail/CXB-3590-COB-LED-Grow-Light_60351737134.html?spm=a2700.7724857.29.156.FEHR5d Experts... what do you think. I have been in contact with the company and if everything works out, this would ALMOST be cheaper than doing it ourselves...

thank you so much! We are going to test both side by side and will share!

I would love to know that but LEDs are moving so fast that research is constantly being updated....

Nice, exactly what I was looking at! good to hear conformation.

BEAUTIFUL! what's cool about our building is the HVAC (can be made super cool). it was designed for HPS and HID. We are hoping to save $$ by keeping heat removal passive... I am going to look this up but human nature wants me to just ask... what kind of heat does this produce?

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20150009399.pdf If you have any time to read through journals, Purdue is leading the country in horticulture SSL. This is an older research document that you will not have to pay for. The only thing that is not really discussed is what...

this is great! have you been getting any PPFD readings? Just wondering what percent power you are running and what the PPFD was?

Thanks, that is what I'm going to put side by side with the oslon whites. I really like the looks of the CXB's!

sorry, I don't smoke. I am a biologist. my partners are electrical engineers, production managers and contractors... don't worry, we are a large enough company. I promise you that we have been crunching numbers since the license was being applied for... but thank you for your concern. we are...

Not sure if that is directed at me... but YES! I will take a look at COBs in the lab, and I like the specs on the CXB's. putting in an order right now for a prototype... I will post my quantum meter results when I get it set up.

not live til spring of 2016... so sad... but we are taking the time to make sure that everything is top notch! Will post pictures soon.

New to the site. into aeroponics, LEDs and water filtration systems. love what I'm reading and glad i havent seen too much douchebagory.

3 fruiting rooms, a total of 80 4' by 4' grow pods. that includes our 2 R&D rooms. We build for 1000 vs paying 3000. get a better product. 80 * 3000 = 240,000. 80 * 1000 = 80,000. 240,000 - 80,000 = 160,000. Now I know that we would get a huge discount but the product is big enough and doesn't...

thanks for the info! all I am solid on right now is the oslon ssl hyper reds. I will put the numbers for efficiency/cost and see how to best integrate white lights. Have any idea of what the thermal resistance would be on these COBs? wanna keep heat sinks uniform and inexpensive.