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What is causing this on bottomle
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Comments (4)
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I will take a shot, I am no expert but I would look at a Magnesium def. You say it is on the bottom leaves. Calcium would be a guess but if calcium it would be higher on the plant due to it's struggling mobility inside the plant. Magnesium is more mobile meaning it can reach the top of the plant without help so you see deficiencies lower in the plant tissue. I would tell you how much to increase but I am in water medium not a soil type medium. . Hopefully someone will chime in with more experience like Rick, Chas,King , Vince, Rabbit.
Are these under the leds? Leds burn cooler so less transpiration so less mobility in the calcium and mag.
Just taking a shot at this so wait till somebody else chimes in with more experience. I am no expert,still green and learning fyi.
Also I would be working on bringing that light down a little at a time if you are in the 12/12 stage of lighting. In flowering I would lower them down to 18"-12" for flowering. Do this a little at a time
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Also before you drop the light slowly ramp up the dimmer to 100%. Towards late veg I was at 80 to 100% on the dimmer at 22" away. Then slowly drop the light . Watch the plant responding to it so you don't burn her.
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it just look like the plant start to cannibilize it's lower and older leaves wich is a normal process, the phenomenom and decaying rate can vary a lot from one phenotype to another.
If anything it prolly mean this one can handle more PK.
Also i wouldn't remove leaves that healthy from the plant, let the leaves decay more before removing so the plant will continue to pull nutriens from that leaves instead of another ones upper in the plant
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Next time, leave them on the plant, and take the pic(s). That way we see the big picture.
What are you feeding, and how much/how often?
How old is the plant?
Looks like you caught it early, so shouldn't be too hard to fix.
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