I agree with what nightqueen is saying. 1000 ppfd is recommended everywhere based on photos and 12/12 for flower. DLI is the better measurement you want to be tracking for dense buds. I'm around 500-550 ppfd 24/7 putting me in the mid 40s DLI. 50 DLI is the generally accepted max before co2 is needed.
This gorilla cookies is going to be another giant from the looks of it. I'm already nervous because she is almost certainly going to out grow that 32x32 and I don't know what to do about it. Even now I think the tallest branch would be close to touching the wall if flattened.
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This looks gteat though. If you don't have the space, we could trade, i've a cripple to share lol...
About the ppfd: The problem with that number is, it's a value for an output but does not factor in time.
Same with ppfd, just , like you mentioned also, the value is most likely referenced to photoperiods in flower stage. There we have that timeframe. And at that moment f.ex.1000ppfd makes sense, as it's indirectly, unspokenly tied to the 12h/12h by those talking about that topic. But the problem that this brings, growers might just pick up a ppfd number from the internet without knowing that relation. It's always best to talk about DLI in that context (especially since this forum isn't photoperiods only) to maintain clarity and leaves no room for potential error.
Further investigated on 420autoflower's take on that and on page 82 he said when asked about ppfd:
"Sorry… I’ve never paid attention to PPFD or DLI.

".
Page 169 he said
"also want to thank you for pushing me to check PPFD. I’m running all my lights at a lower power now and saving money on juice. The garage is slightly cooler now too."
So cool we all work together as community bringing things to each others attention sometimes.
So about my plant: she had some wild growth and didn't stretched as much as I hoped for. She still will yield something eventually, but I also decided to restarted all over. The entire January in my tent was cursed anyways. So it's probably best to start all over, adding automated fertigation early on and just doing it better this time

i'll still update on how this first attempt will turn out, even though it isn't perfect nor successful 420autoflower method grow.