What Par to hit in flower with Co2?

Jhef

Active Member
What ppfd or par range is best wen supplementing co2 in flower - co2 stays between 1200-1500ppm
 

LEDTonic - Daniel

Active Member
^
I'd start at 800 PPFD and work my way up until I see hints of light burn. I'm guessing that 1200 will be the sweet spot for mature plants.
 
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