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Leaf issues Autoflower

that_modest_grower
that_modest_growerstarted grow question 6y ago
Coco/perlite in 3.4 gallon pots Feeding her micro&bloom with added calmag under a 600w light. I check pH also.. This is the only plant with leaf issues. Any ideas?
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Leaves. Color - Yellow
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5sack
5sackanswered grow question 6y ago
Potentially an Issue with recent Phosphorus uptake coming into the Bloom stage. Excessive amounts of Phosphorus is relatively common especially during flower, Symptoms show as micro-nutrient deficiencies in the form on Zinc & Iron. ( Which personally was my 1st guess after taking a glance ). With your stable pH, Phosphorus availability increases & lowers Calcium & Magnesium's availability within the medium. Attempting to Leech out the Phosphorus is not personally recommended as it can change its form and combine with Calcium to create Insoluble Compounds. Try raising your pH levels and be sure to Leech very well with plain water a few days before harvest. Best of Luck!!
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that_modest_grower
that_modest_groweranswered grow question 6y ago
I'm using 3ml/gallon of calmag 10ml/gallon of bloom & 5ml/gallon of Micro
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DeadwebsiteBoringcommunity
DeadwebsiteBoringcommunityanswered grow question 6y ago
Don't just jump on the Cal Mag band wagon. What's in your feed is the big question. Too much Calcium can look exactly like too little Calcium.
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novice_nugs
novice_nugsanswered grow question 6y ago
how much cal mag are you using ml/g it looks like a calcium deficiency
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