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Phosphorus deficiency?

PenguHB
PenguHBstarted grow question 3 years ago
Sugar leaves turning pale/yellow(?) from leaf edges. Seems to only be happening on main colas. I suspect phosphorus deficiency. Beginning of week 4 of flowering, fast groweing auto (around 2 weeks left according to the breeder). Please help me identify the issue.
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Feeding. Deficiences
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OimRausch
OimRauschanswered grow question 3 years ago
Servus Mate, i'd rather increase the distance to the light before u change anything at your feeding regime. Could be also too much/too close to the light. Good luck for the rest of the way 🤞 Servus
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Organoman
Organomananswered grow question 3 years ago
The picture taken in normal light (the only ones that should be posted!) show a plant with no deficiencies that I can see, but the leaves are very green, indicating too much nitrogen. Grow light images can be rather distorted colour wise, leading to potential a misdiagnosis. Going by the pictures, you are also still at least 4 weeks away from harvest. Hope this helps, Organoman.
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GMSgrows
GMSgrowsanswered grow question 3 years ago
If your feeding at a ph of 5.8 then that is a problem. Dirt grows should be closer to 6.5. Your phosphorus uptake would be pretty near nil at 5.8. Cheers
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