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What could thins be?

JSanchezz
JSanchezzstarted grow question 2 months ago
Ph runoff ist 6.4 Watered today ph6.3 Soil vpd 1.4 day 20 flower 25c Lefe vpd 1.3 Dli 40 Adding 0.5ml calmag / L Bio bizz light Mix with mykoriza and Work-Casting
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hightingale420
hightingale420answered grow question 2 months ago
P-Knockout with high N? You run a VERY high DLI for day 20. it is VERY inefficient, if not harmful. reduce DLI to the half, reduce N and keep going Ca+MG for one week. It will get better 4 sure.
Paflucy
Paflucyanswered grow question 2 months ago
this biobizz calmag It’s very weak, you can safely give a dose of 1.5ml / 1L
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00110001001001111O
00110001001001111Oanswered grow question 2 months ago
Fall colors. Temps near 68F at night will do it. Might be a Ca deficiency or a bit too much light at the top. You'll know soon.. if it remains spotty (Ca) or if it fills in like an autumn leaf would (night time temps). if in soilless/hydro, Ca ppm around 100+ avoids deficiency.
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DaddyPrime2
DaddyPrime2answered grow question 2 months ago
i would say calcium deficiency
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