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More rusty spots

Goenndalf
Goenndalfstarted grow question 5y ago
See this now on more and more leaves. Only upper fan leaves that get good light exposure seem to be affected from this and also the clawing. Have backed off the nutes completely for now and will add ground egg shells to the water in the hope its a Ca deficiency.
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Week 8
Leaves. Curl up
Leaves. Color - Dark-brown
Feeding. Deficiences
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DoDrugs420
DoDrugs420answered grow question 5y ago
Looks more like a potassium excess, better off doing a semi-flush with some stimulators in the water like Root enchancers and/or humic acid.
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4ako4ako
4ako4ako
some kind of deficiency?👋👋👋 is this some kind of deficiency?
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Smoth313
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Leafs Curl upIs it because of heat?
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