Thankfully not my plant but what do you think this...

Flex1
Flex1started grow question 5y ago
Thankfully not my plant but what do you think this deficiency is? My first thought was actually that one plant fungus r something that causes brown circle like spots. This is the top of the plant. No curling to leaves.
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Leaves. Color - Dark-brown
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OptikalOne
OptikalOneanswered grow question 5y ago
That's CalMag deficiency.
BeautifulCraftRreddit
BeautifulCraftRredditanswered grow question 5y ago
I believe sulfur and calcium
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