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Excess Potassium?!

patbur
patburstarted grow question 4 months ago
Hey guys, The lower leaves started getting brown/darkish spots and it got worse. Spots been moving up the plant. I flushed with 20L ph‘d water but doesn’t seem to help. Maybe flush again? Also gave it quiet a bit of banana tea, which could be the cause.
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Leaves. Color - Mottling
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Organoman
Organomananswered grow question 4 months ago
Cal/mag deficiency.........nothing more, nothing less.
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Shinsimilla
Shinsimillaanswered grow question 4 months ago
When your plant has a deficiency, flushing is not a good idea. Your plant is telling you it's lacking in something, so you remove as much food from the soil as possible? You are starving a person that just asked for food. If it is a ph issue blocking uptake, just top dress with compost. It is full of humic acid that neutralizes the ph issues.
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Nicogreen
Nicogreenanswered grow question 4 months ago
Som du selv har på fornemmelsen det kan være det du har tilføjet, og prøv evt give den flush :-) eller noget lignende. Ellers kan du tro det ser godt ud. 😉
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Freddy021
Freddy021answered grow question 4 months ago
Spots can be Mn deficiency which is an immobile nutrient. Apply a manganese-rich foliar spray directly to the leaves. This allows the plant to bypass root uptake issues, providing quick relief to deficiency symptoms. But make sure to feed the soil as well. Flushing it might not have been a good idea.
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AsNoriu
AsNoriuanswered grow question 4 months ago
calcium, most probably lack of it.
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