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If you screw it down you dont need The adhesive one Just for your knowledge, the two parts adhesive is not that permanent, you can gently tap under with a screwdriver when you need to remove/replace it

What exactly are you attaching.. Stars to heatsink? Led to mcpcb?

I am getting 6 of them right now:blsmoke:

Supra Have you seen The discussion about the radiometric efficiency vs luminous efficacy of ww cree xte and oslon ss? Also the CRI factor.. I'd appreciate your opinion on that cheers On green surfer thread

Dawg is maybe partying badly going wild with gear and all for his birthday:blsmoke:

Talking about dry herb vaporizers I am tempted to this: http://zainy.net/home/172-cheapest-raw-herb-atmos-herbal-vaporizer-.html

Amazing eheh.. I like it!

Eraserhead What have you finally decided to drive the LEDs at?

Well.. Given I work with 170° golden dragons finely.. You can def run them very close to the plants They blend better with other colours... It's down to personal preference many would disagree and prefer narrower °

http://uk.rs-online.com/web/p/visible-leds/7650551/ There's others too @rs components (UK for Europe I think)

Also the hyper red T2 is now sold as standard lowest bin and not T1 anymore ...about time they are doing it.. Still the rebels are available at better radiant flux. But.. Osrams hyper reds are nice with their large band (peaking at 645nm)

CR7P.EC-KULQ ... rated to be driven between 100 and 800ma Mmmhhhh

Gee.. Look for this: NewLED,OSLON SSL 80,White,2700K,80 deg 130lm But than they have datasheets with one graph for the whole lot of wl's? Mmhhh!

Double post:bigjoint:

Ok let's request those ducking graphs... Oh god I was supposed to do some work today:/ Lost in wavelengths hihi I wouldn't mind go back to osrams actually I pay less for it eheheh

Yeah sure but, if you look at rebels graphs for es, they have more graphs available for different tints And comparing them they do differ at different wl's So I just assume a 2700k differs from a 3500k where it peaks etc? Cree and osrams have warm whites graphs generic for all the tints Also...

- cree have different tints, the graph is generic for the warm whites -osrams also do so And in reality they are all generic measurements anyway

Well pertaining our discussion there's no one person believing that lumens are how we look at growing So the truth is yours and the myths are ours? Also who says that xte peaks at 610.. The general graph of the warm whites? Again you are so sure about things as usual sts Like when you were...

Yeah that's right, so the high CRI isn't good and the old tech WW was a better one for"us"? (Purer red employed with no cyan etc) Anyway.. Greensurfer Looking forward to what your sources says when they get back to you

I too not disregard STS theories/facts.. What it seems to me, tech is going towards higher CRI for rendering luminaries more adaptable to the human eye, which isn't necessarily good for growing hmmm... I mean it depends.. If you supplement your monochromatics with whites all right, but if you...