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Leaves curling up

JohnnyBlazestarted grow question 5y ago

Good Morning everyone i have a problem with my Northern lights today its day 14 and her leaves are curling up is it a normal deformation or something serious ? thanks in advance to everyone that answers.

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Leaves. Curl up

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Bloombusteranswered grow question 5y ago

Бро, это недостаток влажности и точечный нагрев на листе 29 и выше градусов, я заметил подобное явление при тестировании матриц смешанного спектра (малинового, розового цвета) там где были ir светодиоды, при использовании фокуссирующих линз на молодых растениях такое наблюдалось, на цветении не так заметны подкручивания, но это точно стресс - световой, температурный - скорее всего. На стадии вегетации использование не очень мощных ламп 6400-3500k без ir диодов - не вызывало скручиваний листов.

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OutForRealanswered grow question 5y ago

In your case it’s seems that it’s a lack of humidity as your level is only 55%.

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