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What is this problem???(sos)

Robbyl617781started grow question 5y ago

Can anybody help me identify this issue it’s taking over one of my better plants! Don’t know if it’s a lockout or calcium deficiency or what it is?!

Robbyl617781

Robbyl617781

Robbyl617781

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Leaves. Color - Dark-brown

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Robertsanswered grow question 5y ago

Progress potassium deficiency

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BeautifulCraftRredditanswered grow question 5y ago

yeah its looking like a calmag issue with the majority of spots stemming from the margin.

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MrStinkyanswered grow question 5y ago

Hey buddy! Last pick does look like it needs a dose of calmag.

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