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Hi i noticed some brown spots on some leafes and y...
dandarustarted grow question 6 years ago
Hi i noticed some brown spots on some leafes and yellowing (please check pictures day 18)
what causes this? too hot or to little cal?
the last few days there was like 29-31°C in my box
also i added some nutes 2 days ago (1ml bio grow + 0.5ml bio heaven)
panicing a little here
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Stickanswered grow question 6 years ago
Hi there! Your feeding schedule seems to be correct. This looks like a LED-burn to me, those little dots appearing at the same position on different leaves also happened to me in the past, my light was too close to the plants, those dots/spots were the first signs to appear. What's your light distance? The hand-test is quite universal. Hope this helps, I'll be around, keep us up-to-date and happy growing!
Athosanswered grow question 6 years ago
It's not the temperatures. Have you measured your water EC/PPM? I mean, why are you using cal max? It's your water los on it? Anyway those spots are excess calcium burn; your leaves looks too dark green, like nitrogen toxicity. Stop feeding so early. There's no need for it, let the plant feed from the soil.
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