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That’s cool! You may even lower the lamp to get 680 ppfd, that makes 44 DLI in 18 hrs. But since plants are relatively small and short you can go a bit less, like 600 ppfd.
It’s not bad but where are you getting these numbers? I press for close to 850-1000 umols/m2/sec PPFD in 12 hour photoperiod flower cycle.
These numbers are ok for 18 hr veg cycle. Familiarize yourself with DLI (daily light integral) if you have not already.
There's a free app u started using to get my DLI numbers from the ppfd . Tent buddy ,is the app .just gotta choose the light type u use and the amount of hours and it let's u know where ur at with light coverage.
Hope that helps u out alil better.