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What What kind of deficiency or excess is this?

PH93GROWstarted grow question 3y ago

Please, can anybody help me? it has been hot here the last few days 28°C, 29°C with lights on. The symptoms started within the last 36 hours, I believe it is due to heat or excess nutrients. I'm using supercharged remo nutrients kit, 1.75ml/l each. EC 1680 pH 6.0 planting in coco

PH93GROW

PH93GROW

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Leaves. Color - Yellow

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Robertsanswered grow question 3y ago

Coco. You are having magnesium deficiency. Coco has 2 draw backs it absorbs cal mag so it requires a supplement to grow in. 2 it has to always stay wet while keeping close track of run off ph. Vegging ph is 5.8. Flowering is 6.2 for optimum nutrition uptake for those stages. Anything above 6.3 or blow 5.7 will be lock out. Need any more assistance with coco feel free to dm me after selecting my answers. Good luck 🌱👍

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