Indoor Growing Scrog

[Nightqueen]

It could also or additionally be DIF, see image attached. I understand and respect that 420 does 24/7 lighting, but to get PPFD up to recommended amounts in flower, circa 1,000 PPFD ... 24/7 of that is throwing watts away. I don't find a recommendation that varies much from that. I don't know.

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The only reason to go 24/7 for me is stabile humidity value due to constant temp at all time. Easiest way to avoid swings for me, i don't have de-&humidifiers.
I tend have mild swings but no nighttime. Dfi though really is an interesting, but also easy to overlook, topic.

1000ppfd at 24hours? That's a 86.4 DLI and therefore normally energy waste, as you said. That same 1000ppfd in 12/12 on a photoperiod, okay, different thing, 43.2 DLI , which would make more sense on the other hand, at least to my understanding.