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FutureGrower
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I recently purchased two 100W LED lights from Super Brights LEDs online for my flowering tent. They are in the 4000K range. They output 12,000 lumens each, they cost me $80.00 each; I just harvested my first plant, a Blueberry. Previously I was using a 400W magnetic induction florescent light in the 3000K spectrum. My yields from the 400W magnetic induction were always pathetic compared to using a 1000W HPS. I went from 3-4 oz per plant down to 1-1.5OZ per plant (soil grown, organic nutrients). The results were that the new LED lights doubled my yield (2oz compared to 1 oz), and significantly increased the potency as well. This seems to verify new research that claims LED and more blue spectrum enhances THC production.
I'm just a hobbyist growing a bit for fun, but I am into the science of it.
Whenever you upgrade to more efficient LED technology you'll love it even more! Most of those blurple colored LEDs run very inefficient diodes and the fact that your yield was better with HPS using the same watts...
The average to replace a 1000w hps setup is 600 watts of good LEDs, look into some quantum boards, samsung strips, or even COBs (chip on board) you wont go back!