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This should tell you all you need to know...from China with love. http://ctlite.en.alibaba.com/productgrouplist-219345465/Hydroponics_LED_Lights.html

2 feet of height is going to be the main factor in your design. I'm thinking multiple 1 watt diodes or Illumitex/BML style; http://www.illumitex.com/illumitex-leds/ Lots of training of the plants too. https://www.rollitup.org/stealth-micro-cab-growing/

Why not make it adjustable? There are too many variables to know exactly what the "perfect spacing" should be. Thing to be considered; Light dispersion and penetration at different drive currents, height above plant, size of plant, stage of growth, lenses/no lenses, heat sink design and...

Yes Pico!; https://www.rollitup.org/led-other-lighting/702193-bridgelux-vero-29-led-test.html

Screw in A19 bulbs (7 watt) with your choice of leds; CREE XP-G CREE XT-E CREE XB-D LUXEON Rebel ES OSRAM OSLON SSL 150 LED BRIDGELUX EPISTAR...

Captain, you may want to give this a go; http://www.giprohealth.com/giprostart.aspx I make my own yogurt with their cultures and eat some every day. I let it drip through coffee filters overnight in the fridge and it comes out like cream cheese, only much better. Yogurt makers are cheap and it's...

Behold...The Mothership! Well done. Kill-a-wattsayswatt?

Is that a 5000k white and a 620-630 red? Interesting...that's the most blue of any of your panels, ever, right? "XTE 5000K Blue : 31% power, 26% flux Red : 11% power, 13% flux" Posted by SupraSPL as per Mr. Flux's calculations.

Good question. Love to see a shootout; 3050 vs 3070 at different drive currents. Just like more, smaller panels spread out seems better, would more, smaller cobs be better. And soon we will have the 3590s, so a lot of options.

"Peanut butter is my friend"

50 grams per square foot is easily doable, but I use 1 AdvancedLed DS-200(186 actual watts) over each 2'x2' area(46.5 watts p.s.f.). 4 plants in 2 or 3 gallon airpots flowered to a height of 24". Depending on the brand of your lights, you are probably equivalent to 250hps using both lamps. What...

The Growblu lamp is a Cidly/Apollo product. (http://www.cidly.com/Apollo.html) As per Growblu's website, the umoles are 900-1ft, 450-2ft, 250-3ft. They work great, but for how long? (hint...not very) I own a 180x3, it lost a cluster during it's second round of flowering. Growblu did send me a...

Specific chip? depends on the specs you are looking for. Cree XP-E Cree XB-D Osram Rebel Look for members Supra SPL and Goud in the DIY threads, they live and breath this stuff.

So if it's "current protection", then it's probably just a few resistors that need to be swapped out. Any volunteers want to open up their 65 watt and 80 watt panels?

What are you using to power your fans?

"Also Elly the readings from the a51 are not relevant bc we don't just grow our plants exactly in the middle, and just one plant. (Ok some do :P) so I need the variations between the nodes of readings to get a true deviation chat!" Exactly, much better footprint with the area51. If you want...

^^^Exactly what I was thinking!

Gaius, what color/temperature cobs did you decide on?

Area51 sgs-160 (155 watt in flower) VS CLW 200(162 watt)

White is the new purple!...again. (anybody remember the iSunlight panels? All white Eshines?) http://www.amazon.com/iSunlight-Full-Spectrum-White-1200/dp/B005YKSRPQ/ref=cm_cr_pr_product_top Anyway, what your missing is everything in between the r/b peaks that the whites can provide. Follow...