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Leaves yellowing issues

205Turbostarted grow question 5y ago

Hi Guys, I have a small issue with a few discovered leaves and hoping 1 of you guys can point me in the right direction. I'm thinking it's a magnesium deficiency but has only appeared on the larger fan leaves. I have removed the leaves to get a better picture.

205Turbo

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Leaves. Other

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rhodes68answered grow question 5y ago

Thats most likely Nitrogen (just beginning) being the most common and I dont see any feed schedule so just a guess.

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205Turboanswered grow question 5y ago

The plants are overall happy, all fed from same reservoir in auto pots. Leaves taken from 1 plant only, smallest being from near the top. They are Sensi Blue Bullet Autos, week 7 from germination.

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Pot_Portraitsanswered grow question 5y ago

Magnesium deficiency normally shows with brown dots, had it a lot on hydro when I ran out of cal mag :P Looks more like a nutrient deficiency, If its lower leaves on the plant it can be normal, sometimes the lower leaves just turn a bit yellow at least I had that happen in many grows and it was pretty normal. How is the plant health overall ?

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Alexaanswered grow question 5y ago

Add more Magnesium and phosphorus

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