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Brown spots
YayooFXstarted grow question a month ago
What kind of deficiency are these brown spots hinting on my plant? Currently in 7th week.
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Spike_KCanGanswered grow question a month ago
Looks like Calcium deficiency.
Such spots can also appear when it's P or K related, but the leaves wouldn't be as lush and green as yours are now.
Hence, calcium related.
https://420life.com/wp-content/uploads/2021/10/Marijuana-Leaf-Deficiency-Chart-scaled.jpg