Frankster
Never trust a doctor who's plants have died.
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From seed. It's a mystery seed that came from a jar of various highs. Everything popped had a rating of 25% and above.Is this a cutting or from seed plant?
Your on track, and well could be correct, I'll try and explain below my line of reasoning.I've got two tracks going in my mind:
A. A slight Mg deficiency compounded by bright LEDs.
B. An Mg deficiency you remedied, then you locked out potassium.
Then there's the third track:
C. I took two, totally wrong wild stabs.
Correct also, and the same. It's both actually, IMO.What are your roots like Frank? Or Phosphorus if not roots.
Ph swing?
certainly not what I would like, quite yet, but I'm looking now, and there praying nicely again, so I might have some discoloration at the end of this along some bottom edges, but I think they'll pull out of it. Personally, I think much of this has been a combination if issues, certainly calcium is at the top of the list for me, but I think some of those cool nights getting perhaps too low, the ol lady leaving the doors open, and it being 60f in here, with strong LED's on them, and I've got the humidity down some, cause I got others in flower, so the (vdp) vapor deficit pressure too. Certainly the flower room is much warmer in there. Note to self; I'm going be cool in here, keep the humidity very low. I need to move this mess into the 2 x 4 again, need to put it back up. Maybe tonight.Have the roots bottomed out the cups? A transplant into good soil could fix everything.
Yea, it basically went from good to necrotic with no real in between, and so mysterious, so I tend to agree. No doubt these things are complex issues, so it's difficult to nail down, and/or replicate. I think when your dealing with excesses like this, especially in the micro's; the ratio's at play, and some of the environmental factors (temps/humidity/lighting lend enough variance to the outward appearance, that it doesn't always follow a distinguishing pattern, but more of a generalized symptomology.Dude, I was going to say old calcium excess damage, that's why I was asking about cutting or seed. I did not think you would have an overfeeding issue with a seedling, but a cutting...???
I have seen all kinds of crazy stuff that they just have to grow through to the new.
You seem to be on the right track nice catch!
edit. IMHO it had to be an excess, there is no leaf yellowing on the damaged leaves. Which would have been a sign of a deficiency from cannibalization.
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