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Any idea why the lower leaves below the fan leaves seem to be dying?

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    COCO COIR Any idea why the lower leaves below the fan leaves seem to be dying?

    Hey so I came to check my plans this morning and over the last couple days this one hadn't looked so healthy and now it seems dead to me, could this be due to it not getting light as the fan leaf is covering it? Could it be due to salt build up in the Coco? Could it also be due to some form of infection or excess amount of nutrients etc? Any help would be greatly appreciated, thank you growers!
    Current Grow: 1X Mimosa Evo - 1X BCN Critical XXL
    Medium: Atami Coco substrate with 30% perlite mixed in 1 gallon fabric pots until 3 gallon transfer

    Space​​: 3 foot X 3 foot X 6 foot lined in pandafilm

    Lighting: Mars Hydro TSW2000 at 20 inches away using dimmer to control light output

    Nutrients: Shogun A+B, Vitamax Calmag, Shogun pK 9/18, pH up & down

    Average Room Temp: 22°C night - 25°C day --- 71.6°F night - 77°C day.

    Average RH: 50% - 80% in seedling stage, 50% - 70% in vegative stage, 30% - 50% in Flower

    Methods Used: TBD

    looks like a nitrogen deficiency but based on your grow set up info it could be too much humidity (up to 80% is too much). I also looked up your nutrients and I was surprised to see that the Shogun nutrients don't list the NPK values on their website or at least i couldn't find them.

    How often do you water? what is the PH of the water and or water+nutrient level? You need to provide more information in this area. FYI when growing in coir, you need to start adding nutrients right way, making sure you test the PH of the water AFTER adding any liquid nutrients. You should also be flushing with plain PH'd water at least every third watering just to ensure there is no build up of nutes.
    I hope there is an afterlife...there are a lot of friends and family I'd like to see again, one day.


      Looks like it isnt getting N


        Yep. Whichever bottle (A or B) is the "grow" nutrient, your plant needs more of that - assuming that there is no pH lockout happening.
        Flower tent:
        4x4 tent, Platinum LED P4-XML2. Pineapple Express, Wedding Cake and Super Lemon Haze in flower.

        Project Ambika:
        3x3 tent, Platinum P300 LED. Four BC Mangos in veg for seed and bud.

        Coconut Grove: Vegging Purple Kush, Sweet Zombie, two Cloud Walkers, Purple Urkle, Chocolate Mint OG, G-13 fem photos in a 4x4 tent under a Platinum P4-XML2 LED.

        Nursery: 32"x32" tent with T-5 fluorescent panel. Romulan, GelatOG, Banana Blaze, Larry's Lemon OG, Expert Gorilla, Expert MAC-1, and Northern Lights

        Coco/Perlite/worm castings/mycorrhizae mix.
        Down-To-Earth dry amendments.

        On deck: Tuna God, Bubba God or OG Kush for seed plus assorted feminized seeds. I might even try my Blueberry Kolache F1s. Have over 1000 homegrown Ghost Train Haze seeds and hundreds of Skunk #1 and Blueberry available for trade.


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