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so you think if i contacted kingbrite or mejui for for a custom quantum board order of 10,000 boards, and i said i want them 6.833″ x 11.25" , with 648 5000k samsung 301h and 16 660nm samsung lm351, they would say yes fine we can do it as long as you send us one first so we can copy it???.

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like i say he owns a lighting company he can churn out any pcb you can imagine, its what they do. the specs would be enough, board size, diode count, diode type ect. like i could understand if you wanted to make a perfect copy so you could pass them off as the real thing then having the light...

the man in china has an led lighting company he has men that lay out pcb's in their sleep, this isnt as hard as you think it is.

lol, theres nothing to reverse engineer.

yer but the guy in china doesnt need the light in his hands to copy, he could just go on hlg's website and copy the specs.

i dont get the sending lights to china to reverse engineer part, like why?, there is nothing hidden no magic to uncover, hlg literally tell you all the specs on the website?.

looks like potasium deficiency. the op is using a teros 12 sensor so he can monitor water content and pore water ec, so its unlikely its too dry or too wet, or overfed.

just so you could see the effects of ir leaf heating, it would rule out what rocketsoul was suggesting that the difference in the test results could be from a higher metabolic rate. then do the test again with no ir filter for the sodium but equalised leaf temps for the led plants to see if it...

could well be... would be good to see the same experiment done a couple more times, one with an ir filter for the sodium, one with matched leaf temperature.

i dont think this is that supprising, if all of the following four spectra could be generated at the same efficiency which would you choose for flowering cannabis?... #1 #2 #3 #4

more waffle... now you dont seem to understand the difference between continuous spectrums, absorbtion spectrums and emission spectrums. a continuous spectrum the type that can be generated by a tungsten filament right here on earth contains every wavelength of light, yes more wavelengths than...

greg i dont think you understand what a band gap is. band gaps in leds are not refering to actual gaps in the light spectrum, they refer to the range in which different underlying led semi conductor material will allow an electron to pass from the conductive band to the valiance band giving of...

hahahahaha its not an argument, your talking a load of nonsense and im just pointing it out. i got no problem with you just your info...

whats wrong with that? manufactures are free to use what ever kelvin diodes they want. no it does not. jiberish

never become a judge...

thats a leap most olympians would be proud of...

a lot of what you are saying makes no sense?, how were companys selecting spectrums to manipulate tests? how is even 2.5 umol less efficient than a sodium? what does closer to monochromatic to boost results mean? what does the emerson effect ripped off in spectrum mean? sodium light is a lot...

maybe silver on the podium, with some talk of using banned substances