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dear growers, I have a problem with the plants. Ap...
Dahoolastarted grow question 6 years ago
dear growers, I have a problem with the plants. Apart from the heat stress and some light stress, there is also another problem. Some of the leaves (see last photo) show a shortage. The leaves turn yellow / brown from the outside to the inside. With the veins that remain greenish. Someone an idea what this could be? thank you in advance
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Stickanswered grow question 6 years ago
Hi there! On the first sight it can look like a Potassium deficiency, but I think it's not. Judging with the infos onto your diary I think your meals are correct and they get enough Potassium. My opinion is that they suffer from light-stress, they're too close to the light and these are also the same symptoms as a P deficiency. Make sure it's not a light stress by increasing the distance and see how it goes. I'll be around, keep us up-to-date so we can help you adjusting your parameters, and happy growing!
Athosanswered grow question 6 years ago
That's potassium deficiency. What's the feeding EC/PPM? I would up the bloom nute.
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