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New growth yellowing, what's going on?

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    #1

    New growth yellowing, what's going on?

    Hey guys, so the new growth of my autoflower (orion f1) seems to be yellowing for some reason.

    Temperatures around 24-28°C at daytime, 18-22 at night. Humidity 45-55%. Day 27 after germination, Orion F1 Auto. Nutrients are everything from Biobizz, only used half the recommended dose of fish mix until now. Soil is Biobizz all mix, 25L fabric pots around 20L filled. Light is a MarsHydro ts1000 at 150W, 100% usage at around 60cm light height. pH is at around 6.8 in soil.
    3 Photos
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    #2
    Can you see what your asking us to look at with these dark pics?
    Smoke Ganja create Peace Respect Nature don't trash the Planet

    Soil grower with coco/perlite mixed in
    indoor/outdoor grower
    1 36"x36"x66" tent- Viparspectra P2500
    1 3x3x6 tent- used in late spring for seedlings both veggies & weed. I have 2 viparspectar 450r for that tent.
    I use a t-5 & 54watt CFL for seedlings
    Sometimes i use plastic sometimes i use fabric grow containers
    Currently using fish/guano during veg growth & FF Grow Big 6-4-4 teens to bloom. Once i see pre-flower i switch to
    Age Old Organics Bloom 5-10-5

    Comment

      #3
      It's hard to say but I am thinking it's in flower and trying to reveg.

      Also, it's quite marginal and I may be wrong, but you may be starting to suffer from a very small magnesium deficiency but I'm only guessing as plant symptoms at the start of that vary plant to plant.
      Flower Room: 11' x 7' x 7.5'H, 480w AC, 13gal/day dehumidifier, 1.5gal ultrasonic humidifier, 60gal (27gal usable) nute tank, 16" pedestal fan & 18" wall fan. Lighting and climate automated. Hand watering.
      Veg Cupboards: ​​​​​​Two 4x2x6H cupboards. SF2000 Evo in one SF7000 in other. Climate controlled and automated. Hand watering
      Aeroponics Low Pressure Bucket: 20W LED. 5 clones & 20W LED 11 clones
      Lights: Mars Hydro FC-E1200W, SF-7000, SF-2000 evo in flower room.
      Medium: Coco/perlite, 7.2gal pots, no drains
      Current Grow: ​​​5 x Photos Franklin's Orange Zkittles x Sour Diesel in flower room, 3 Franklin's White Widow x Sour Diesel Clones, 13 x Orange ZkittleZ x Sour Diesel clones in Aeroponics buckets x 2.
      Last Grow: A mix

      Comment

        #4
        2 day update:

        The yellowing seems to get worse, this time with better lighting. Any ideas? I watered yesterday with some CalMag, TopMax, Bloom & Grow (Biobizz line), recommended dose for autoflowers. pH seems to be at around 6.8 so far (Soil).

        2 Photos

        Comment

          #5
          Click on the link "Plant Problems" (https://www.growweedeasy.com/cannabis-symptoms-pictures) then view the 3 links to yellow leaves, read all that may apply. More info than I care to typ.
          For soil the PH should be between 6.5 and 6.8 in flower.

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