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Brown spots and yellowing on lower leaves
Running Raspberry cough in roots 707 soil. Using aurora innovations nutes and cal mag for feed. Alternating feeding and ph watering. Keeping all food and water in the 6.4-6.6 pH level.
Having trouble finding a pic of exactly what I've got going on. Two out of 5 plants have started to yellow at the base of the plant on the big fan leaves. One of the plants has some brown spots on the lower fan leaves.
Almost want to say phosphorus deficiency, but that's just the closest pic I could find.
Thanks for any help!!!
Going to flush them out tonight.
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Comments (6)
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have you checked for spider mites. i had a gc that started looking like that and i thought it was a ph problem at first and as soon as i found them it was starting to get webs on the buds. good luck and let us know if you figure out what's causing your problem
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i don't know bout roots 707 soil but 4 soil PH is 6.3 ~ 6.8 u r not getting all your nutes out of the soil so u have a build up nutes that can't go no where and r pissed off so they r binding with others and u have a lock out .....
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Bugs maybe. Mg. deficiency maybe. P very seldom becomes deficient because it hangs around in the media so well. Are you in Coco ? Is this a Kush strain ? Hang in there.
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I agree with Chubby, Magnesium def.
Try letting your ph drift a little higher for a minute, and see if it helps. Calcium and Magnesium both have better uptake at higher ph. Or try adding some extra epsom salts.
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Is that in the leaf or above the leaf like a build up? If its in the leaf I would say its nutrient related if its on the leaf its a bug thing.
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