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Thread: Plants droop about 4 hours before lights out

  1. #1

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    Default Plants droop about 4 hours before lights out

    Morning all! I've been trying to solve this for over a week now, for some reason roughly 4 hours before lights out my plants start to droop, but I have the same strain in a little cupboard area right next to my main grow area, they're the same strain just a week a so difference between them, and for some reason these 2 plants never droop, I've even swapped one over between my main area and the cupboard and I get the same result? The temperature and humidity are the same, I'm using the same led lights and giving them the same par rating, this is completely baffling me!

    Only thing I can think of is in the cupboard I have 1 led board but this room I have 6 boards on, so is the light more intense for 18 hours even though the par rating is the same? Or last resort is the vinyl in the main room getting warm in the and letting off gases? Which I highly doubt because surely they would droop all the time?

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  3. #2

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    What are you growing in dude? Those pots look kind of small.

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  5. #3

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    Quote Originally Posted by hotshot View Post
    What are you growing in dude? Those pots look kind of small.
    They're in 1lt fabric at the moment not ready for next size just yet mate only watering once a day and roots not filled out yet. I finish in 3.8lt and water 4 times a day lights on

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  7. #4

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    It's coco

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  9. #5

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    There are reports that led lighting can be too strong. That rarely happens with hid because the extra heat would fry them.

    Try turning off 1 or 2 of the leds in the main room and see what happens. If the watts per square foot stays the same, 2+ lights gives more light to the plants than 1 light because of crossover lighting.

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  11. #6

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    Yeah I suppose I can try turning a few off for the next 18 hours of light and see what happens

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  13. #7

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    Yes as Farmer says its excessive photo accumulation. Drop intensity or hours. Read up DLI if you want more info.

    It looks linked to the pot size in your case, roots need to catch up. You got a good root stim?

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  15. #8

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    Quote Originally Posted by thegrower1 View Post
    They're in 1lt fabric at the moment not ready for next size just yet mate only watering once a day and roots not filled out yet. I finish in 3.8lt and water 4 times a day lights on
    Quote Originally Posted by thegrower1 View Post
    It's coco
    Try adding an additional water/feed cycle 4~6 hours after the initial one...You would have been better off going straight into final pot size from starter pots with coco...10 litre pots would be minimum final pot size for your setup I would be using... I don't believe the issue is light related.


    Regards BL

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  17. #9

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    I was reading up on DLI the other night mate I'm literally on the very low range for cannabis when using the chart, there only at 250-300 par. I give the 2 plants 250-300 par but that's coming from 1 board the main room they get 250-300 par but coming from multiple lights, it's a strange one...

    Yeah roots not a problem mate this was some others before they went into bigger pots

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  19. #10

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    Personal preference mate I prefer smaller pots and more water cycles seems to work better for me

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