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

diamondtrichomesstarted grow question 7y 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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Athosanswered grow question 7y ago

Looks like calcium deficiency, specially since it it's happened on the top leaves.

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TropicThunderanswered grow question 7y ago

Looks like iron or calcium to me.. Happy growing friend

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