From DEs to LEDs

420Barista

420Barista

Well-Known Member
p0opstlnksal0t said:
eh i was hoping to halve my wattage yet remain the same yield and quality. if im only going to see a 10-20% electricity savings versus my current DE's i think i'll hold out for another year or two to upgrade.
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I was a holdout when cobs hit and when I was finally ready Quantum Boards were here and I jumped on them. picked up 2 260watt kits which equal a hlg 600 and 2 135watt kits for veg this was b4 the smaller boards were out.
 
wietefras

wietefras

Well-Known Member
You'd be better of getting strips instead of boards. Strips give much better uniformity, which means you can hang the light a lot closer to the plants (say 8" instead of 18") and thus you lose a lot less light on the wall. Depending on the walls that can give 20% more light on the plants with strips from the same wattage (and less cost for the strips too).
 
skoomd

skoomd

Well-Known Member
wietefras said:
You'd be better of getting strips instead of boards. Strips give much better uniformity, which means you can hang the light a lot closer to the plants (say 8" instead of 18") and thus you lose a lot less light on the wall. Depending on the walls that can give 20% more light on the plants with strips from the same wattage (and less cost for the strips too).
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And better canopy penetration if there's enough of them and they're spread out nicely. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4559655/

inb4 slingingturds says otherwise
 
booms111

booms111

Well-Known Member
growingforfun said:
What is the diff between the qb120 and the qb228? Can i see some dry bud shots with a lighter for scale?
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The amount of diodes which effect how many watts each board can run which effects having to run a heatsink or not. Qb120 has 120 diodes and doesnt need a heatsink but runs at 65-70w and a qb288 has 288 diodes and can run up to 150w+ but needs heatsink
 
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