PPFD for flowering autos

Where do you experienced set your ppfd for flowering autos? Mine is in its first week and it’s reading about 535 at the canopy. I’m using an hlg 350r, and have some room to increase on the dimmer. Shows about 35 DLI at 18 hours.

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For beginning of flower first 3 weeks i like to start at 650 to 750 ppfd ill increase ppfd if my internodal spacing is stretching to much week 4 flower til harvest i aim for 800-900ppfd

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Perfect, I probably need to go up a notch the. Thanks.