I have a white widow strain second week of seedling . I think the light was too low . 3 days ago I lowered the light and the next day the leaves where curling up on the edges so I raised it like 8 inches . I hope this fixed the problem…
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the light needs to be a close as possible yet far enough not to burn. She looks good. Give it some time. The hardest thing about this is having patience
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When the edges curl up that is cupping and is a sign of heat stress, raise your light a little. Plant looks good otherwise
Also when doing seedlings leave the solo cup 2/3 filled. Then when the plant gets stretchy a little top the cup with soil or your media. It makes the roots and stems better. Better development and stronger more vigorous growth. Ive done side by side tests.
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