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nice looking plants!how does the roleadro 2nd generation full spectrum lights stack up against the cob?and how do regular (9band red/blue) led's stack up against them??
I used to use 2 ViparSpectra V450s. One of my 2 89w COB fixtures put out more PPFD than two supposedly 450w fixtures running 206w each. It is my understanding that COBs were meant to replace HPS in highbay/lowbay industrial settings, and should be closer in comparison to that in power, but using less than half the wattage. 241w of COB there add up to 600w of HPS. In my experience, no panel LEDs add up to what COB is capable of.
I agree with green75 if you would like to see the level of defoliation I've done in my grow. I do more of one or two fans a day if any of the colas are in shadow. Instead of defoliation sessions, I find if done young and throughout life it makes the plant hardier and adds a few more bud sites.
The rule I have come up with and practice constantly....if a spot offers two fan leaves...I take one...I like to keep them like chicken bones....big buds...
Great looking ladies...they should do well for you...
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