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Grow QuestionsTwisting and curling

Twisting and curling

Grasszillastarted grow question 4 years ago

Hi guys... Ive seen my one leave is curling snd twisting... And turned brown and the leave close to it hss yellow spots.. Does anyone know what this can be..?? No heat stres because my temps is between 20°c and 27°c if anyone can help thanks

Grasszilla

Grasszilla

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Leaves. Curl down

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Lambetaanswered grow question 4 years ago

looks like nutrient burn imo

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Grasszillaanswered grow question 4 years ago

If it was toxicity then all the leaves would be curling down... Think it was just normal nutrient burn... I lowered the ec from 1.4 to 1.2

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Ner0zanswered grow question 4 years ago

This is nutrient burn & nitrogen toxicity. the turned down tips or "crow tips" happen with too much nitrogen. you are in flower, scale back your nitogen. if you're using a recommended feed chart then scale everything down to 25% less than your last feed. I don't know your growing medium but I'd suggest a straight water in between. goodluck

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