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yes a mix between thoses 2700k 90cri and 3000 k 80cri should be damn good , they are quit complementary on the red cover if you whatch their spectre and woow theire 4000k has a really nice spectre, with nice blue/ green <3 hmmm strip on 2700k 90cri and strip on 4000k 80cri ratio 3:1 for the...

hello everybody! hope everybody is doing fine? i saw the spec the mid-power led, the luxeon 3535l HE plus ( square LES).... So the Square version, not the round who juste came out; should be the top bin of this model, with lot of different cri and their spec are awesome: i let you the spec link...

yes yes i know than the higher current is lower efficiency will be, but i m not really good at reading the spec :/ if you tell me than the spec are correcte, then ill try them, just wanna know how many lm/w they give @75% and @100% of they power ( with a heatsink of course)? edit: ok i saw the...

hello dude, saw your post on led strip, i have the exactly same size configuration than you!!, do you heard about nichia strip? have to finish your thread i post one here: http://www.rollitup.org/t/new-1000w-led-strip-project.959502/ thank you a lot for your (futur) advise!

thank you for the interest man! but i reallyconfuse, i tryed hard to get more information about thoses nichia...but im perplex, we can read everywhere than they can go up the 200lum/w ( i know its on the highest kelvin product) but when you read the real spec on some website it more like between...

Same as me for the nichia ,if Someone has already those strip tell us your thought, waiting for some review to read, seems nichia has good red and good cri and good lumens/w . I think they are going to be perfect for floWer room

ok seems than the german saler can custum led strip!!: " Yes, we can make a special equipment it with 2700K & 4000K. Channel 1 for example 2700K Channel 2 for example 4000K Price each PCB: 25,21 € Net per pcs + Shipping + Payment Condtions: Wiretransfer / PayPal + Delivertime around 10-14...

Hello everybody, hope everybody is fine :D im new here, sorry for my crap english im from europe,but i read a lot about led, spectum ,pcb ( almost made mine when led strip came out) , but im still a bit lost about led strip, and need your advises to finish my list setup, my goal is to made the...

those pcb , cob style looks amazing!!!!

"we are going with Nichia as they all come in 210LPW and have the 2000K bins in the range and 90 CRI in the same performance as 561 C" is that true? wooow those nichia looks interesting!! dont find anything on them cheers!

waaaouuu a solskiiinnnn with those cree led!!! edit: is that J series 3030 on the picture?

wooow mark! did you ever try those of seeing in action? seen a goood solution with lm561c s6 for better penetration no?

hello guyz, hope you have a good day/night, i juste went on cree website and saw some new with led model from 2700k to 7000k: Cree xlamp-xd16 http://www.cree.com/led-components/products/xlamp-leds-discrete/xlamp-xd16 cree xlamp-mhb-b ( little bit older)...

and have a good day by the way :)

what do you mean by saying not many????????? lol 524PCS lm561c is not very many for you?

hello, what about this freaky one :| https://www.alibaba.com/product-detail/Led-Grow-Light-board-400x-300_60734437665.html?spm=a2700.8443308.0.0.D8DyOG juste have to make them change theire everlight led at the center by Lumileds SunPlus 20 Deep Red, Lumileds Luxeon C Red and Lumileds SunPlus...

thanks you very much vegaswinner, but i dont have a square suface but a rectangular surface, i m thinking about taking 8 of you pcb and put it 2 by 2 . 4 row of 2 pcb at 100w each for a 3x7 surface i think its the best solution?

tank you for you answers! ill definitly come to you vegaswinner! just have to know how many pcb of your growgreen ill have to take to get the perfect and optimum covering of my room (my limite is 1000watt) my room size is : 35,4331inchs (90cm)width x 78,7402inches (200cm) length x...

hello everybody! thoses growgreen board looks very nice! you thinks they can ship that to europe? thanks you a lot! much apreciate!