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Leaves turning a yellowish color

Septooth
Septoothstarted grow question 5y ago
My plants are turning a yellow color. The two in front were shorter than the one in back, so I raised the two in front 4" so they all received the same amount of light. Any ideas?
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Week 7
Leaves. Tips - Burnt
Leaves. Curl down
Leaves. Color - Yellow
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freshwaterjellyfish
freshwaterjellyfishanswered grow question 5y ago
Maybe a combination of mag deff and even N burn, but why stress at this point? The strain you have is 10 weeks so assuming things go amber,(fingers crossed) you'll flush.
OGgrows
OGgrowsanswered grow question 5y ago
seems to me to be lacking of magnesium. if the tips of the leaves are curling upwards, there is a lack of magnesium. if the tips of the leaves are curling downwards it is lack of potassium.make a flush to clean and remove mineral salts from the substrate and applies a good dose of calmag. I wish you luck for your grow mate 💪🍀
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Greenbean15
Greenbean15answered grow question 5y ago
After looking at the pictures in your diary, I believe you have nutrient burn, specifically nitrogen. The slight clawing of the leaves, 90 degree angled tips and browning at the tips of leaves all point towards nitrogen toxicity. https://www.growweedeasy.com/cannabis-plant-problems/nitrogen-toxicity
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Grey_Wolf
Grey_Wolfanswered grow question 5y ago
@Septooth Hi mate I think you need to use more Calmag as that does look a little like a magnesium deficiency
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