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Yellowing tips on leaves

EaRtH
EaRtHstarted grow question 2y ago
I noticed that one of my plants is showing some signs of problem. Tips of some leaves are turning yellow like citrus 🍋 I'm guessing some nutrient deficiencincy. What do you think ?
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Leaves. Color - Yellow
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DoubleDsTrees
DoubleDsTreesanswered grow question 2y ago
I believe its nitrogen toxicity. Those leaves are a very dark green and I see some tips curling down. Too much N could be locking out the P and K you need during flowering. Goodluck bro
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EaRtH
EaRtHanswered grow question 2y ago
Nitrogen toxicity might be the problem, but how it happened ? I'm using only Biobloom by Biobizz and Bud Candy which does not contain Nitrogen.
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Organoman
Organomananswered grow question 2y ago
Not deficiency, but beginning of nitrogen toxicity.
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Roberts
Robertsanswered grow question 2y ago
Potassium if they stay straight. If they curl up and in, it is nute burn
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