Z
Zedkhov
- 6
- 3
View attachment 791114
At 50W/sq' that makes 2500W.
2.603A x 220V = 572.66W -driver losses
572.66W x 3 = 1717.98W
That makes 34.36W/sq' which would suffice if those weren't the cheap chinese blurple watts.
Did you consider building your own lights?
https://www.thcfarmer.com/community/threads/diy-led-with-cobs-small-medium-and-large-grows.64252/
https://www.thcfarmer.com/community/threads/sixstrings-led-cob-builds.85163/
I'd start here. I'm not saying DIY is gonna come out cheaper. But it will give you the best possible quality for your money.
Also if you're not married to LED, have a look at CMH lights.
A good read...
x2
Lots of great info and peeps here.
Errr why are we tagging me in this? I have friends on ig that love to build leds...i dont use them.One word, well actually 2 words.
Timber leds.
@GT21
Can yoi cover some of the down sides? I imagine quality and spectrum? But the ones i linked seem to be well received in that regard. Ultimately ny goal is a balance of quality and quantity so all these rwsponses and suggestiobs are really great. Cheers!Yes, Timber, Rapidled, cobkits.com anything but Chinese blurple...yes you can grow crops with them (blurple) but there are several downsides.
Brilliant. Ty for the info.The things I looked at when converting to LED was the folowing:
1. Color accuracy (CRI) that was at least 90. Blurple lights have a typical CRI of 39 as well as HPS at 39 or so. Only lights I considered were CMH and LED (quality COBs or Quantums) because they were the only sources in the 90 or higher range.
2. Light penetration. There is a myth that LED does not have the penetration. LEDs, especially COBs and Quantums can actually have significantly better penetration due to the fact they are not a single point source and have "diversity of angle". A photon is a photon whether it is made by the sun or an arc of electricity or a filament. The only variable is wavelength and intensity (number of photons).
3. Efficiency and thermal efficiency. Meanwell power supplies are often in the 94% efficiency range and that is better than most other lighting systems especially the blurple products. Thermally the power supplies (which get pretty warm) can be mounted outside the grow room and this is an advantage over built in supplies in the blurple lights.
4. Reliability. If you build it you can stock spare parts and you know exactly how to fix it. Replacing a driver or a LED element is no big deal and not expensive.
Dee
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