Leaves curling in/upward. Light burn or nute burn?

Discussion in 'Growing Marijuana Indoors' started by strangegrower, Sep 3, 2019.

  1. Unknown bagseed. 3 weeks old.

    Medium is hydroton rocks.
    Nutes. Advanced pH perfect.
    Lights. 1200w led
    Light height. 39 inches.

    Originally I had the light suspended about 18in or so above the plant. That seems to be to intense for the little squirt. So I raised the light to around 39 inches.

    At this point. Trying to weed ( pun intended ) out if it's the nutes, or the light. I've included a pic. Just thought I would ask the community, before trying my own hand for a solution ..

    1567521819238.jpg 1567521872052.jpg
  2. Leaves are not "crispy" feeling. They do not feel dried.
  3. Assuming this is a hydro setup, what are ppm and pH?
  4. Gotta be the light or heat
    • Winner Winner x 1
  5. I agree. Either, Light, or Heat. Or Both.

    Tacoing leaves usually represents heat stress.

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