Here’s a few pics right now it’s 29 inches above canapoy when these pics were taken earlier today look at leaves do they look light they are growing good or need more or less light
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Welcome to the forum.
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I download the Photone app with white paper diffuser and it was 30 thousand lux
I just wanna know if they look healthy I’m using Great Lakes soil fiber pots 4 gallon and Mephisto genetics autoflowers …
Spider farmer sp 4000 450 watt …tryna figure what distance I should have I’ve read 18" but the leaves start curling up that means light stress correct ?
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That is one of lights i have. at this point i think i had it about 60% and 22"
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R u measuring ph and runoff?
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Agree with @beachglass. I am running a single SF4000 in a 5x5 set at 24 inches and 40% initially and increasing to 50% and now at 60%, letting them grow up toward the light, once they get within 16 inches I may raise it again.
Pictures of my four gelatos, 5 days old from seed shot at 24 inches and 40%, today 21 days from seed at 60%.
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Leaves curl due to the heat from the lights. If the light power is too muchnd too close u will see the leaves between the veins getting like burn look or slightly yellowish right now it seem to be vigorous growth happening and don’t look to be a bad thing. Follow what the light specifies for u playing around with the light and finding the happy point will be a plus but if u r close to specs from manufacturer u should be otaye as sf has a pretty good chart to follow.
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