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I added a couple pics of what looks like rust spot...

diamondtrichomes
diamondtrichomesstarted grow question 6 years ago
I added a couple pics of what looks like rust spots on the leaves of only the tall plant in 7 gallon. I’ve given these two plants the exact same feeding so not sure what is causing it.
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Week 5
Leaves. Color - Dark-brown
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Athos
Athosanswered grow question 6 years ago
Looks like calcium deficiency, specially since it it's happened on the top leaves.
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TropicThunder
TropicThunderanswered grow question 6 years ago
Looks like iron or calcium to me.. Happy growing friend
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