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I was just wondering why I have green / yellow marks on my leaves, I think it’s because of light stress but I’m not too sure, I’ve been giving it 700PPM in nutrients, thanks in advance
Light stress, or bleaching is i think what your referring too. I would disagree what is your PH set at ? this sounds to be a PH problem to me depending on how large your plants are 700ppm seems to be quite low for a vegging plant I would bet my bottom dollar she needs more (N) in her diet. Though that is just my opinion, Light stress will cause a plant to turn bright white not yellow ant this only tends to happen to plants right next to the light. Best of luck with the rest of the cycle :) 👊