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Grow QuestionsDEFICIENCY OR TOXICITY? HELP PLS

DEFICIENCY OR TOXICITY? HELP PLS

coocistarted grow question 4 hours ago

Black Orchid Auto,been careful feeding her,she got these burnt edges that curled up and new growth also started having those, is it a deficiency or toxicity? Idk you tell me guys please, thx. Overall info: 18-23°C, RH 60-70%, 6 weeks old, used synthetic nutrient for veg 7:7:6 NPK

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Leaves. Tips - Burnt

Leaves. Curl up

Leaves. Color - Dark-brown

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