Why are my leaf tips bright yellow ?

Discussion in 'Growing Marijuana Indoors' started by loudnoise8, Jul 18, 2020.

  1. IMG_6837.JPG
    I’m not worried about this. But why? I’m growing in FFOF and have just been giving it silica ph’d water and a tad bit a cal-mag. My light is sp250 growing in 5 gal grow bag
     
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  2. It's the first sign of nute burn. It could be that the soil is a tad rich.
     
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  3. Can you burn with cal mag or silica?
     
  4. Don't know. I've never used silica.

    It's minor. I'd water with plain ph'd water for the next feeding or 2 and see if it gets better or worse.
     
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  5. What do the tip look like when you put a finger behind one?
     
  6. The same as in the picture. Wdym. I think I got this solved tho
     
  7. I don't think that's nute burn. Nute burn would be brown. I think you're seeing the first signs of N deficiency. That's how I interpret neon green tips.
     
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  8. Does that mean I should start adding nutes? I haven’t added any yet
     
  9. I wouldn't just yet. Seems healthy enough as is. Just keep an eye on it and be ready to add nutes when needed.
     
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  10. N deficiency would create yellow leaves at the bottom of the plant and the whole leaf would be turning light green, not just the tips.
     
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  11. Could be light stress? Too much light op?

    If not then its definitely nute burn the next stage will be the yellow turns brown.
     
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  12. Post a pic of the whole thing. And how old is it?
     
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  13. She’s 25 days from sprout IMG_6835.JPG
     
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  14. Nothing wrong with the plant at all. Keep doing what you're doing.
     
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  15. Ok thanks man
     
  16. A little nute burn. It'll be ok because it will grow and get stronger

    Sent from my Moto E (4) using Grasscity Forum mobile app
     
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