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asking for a new grow bro, does anyone know if this is PM? I have been lucky enough to not deal with it and I know that probably means I haven’t been growing long enough😂 but from my research I just haven’t seen it only the tips like that. I advised him to defoliate and get better airflow but any more educated would be much appreciated
captenkush, no-nanners and kosmo513-
Is he spraying his grow?
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Residue from guttation can look suspect but you recognized correctly only the leaf blade edge (where guttation occurs) is where the residue is. That’s not PM. It’s usually a watering issue with full grown plants. I see it all the time on rooting clones with just a few leaves.
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That type of leaf curl is typical of wind stress. Do you have a fan pointing right at it? It should be fine as the tap root gets a little more established.
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What’s your favorite way to know it’s time to harvest
Once you’ve seen a few truly finished plants you’ll know from across the room. A healthy plant’s calyx should swell to false seed pods as the trichomes are becoming milky white. They’ll go from sparkly clear trichomes to looking like sugar was dumped on them.
danknuggardens and wrath420 -
Nutrient deficiency and ph runoff being always low 5.5-5.8
Never supplement calcium or magnesium unless one is deficient. You will run into problems using too much calcium. How are you measuring pH? Digital meters will eventually lie causing issues with mineral availability. Never trust them to be accurate.
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