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Thread: Underwatered plants failing to recover

  1. #1

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    Default Underwatered plants failing to recover

    Hello all, first time grower here.
    right now they are in day 34 from seed germination. It went well first 14 days and then they started showing signs of nut burn and it was a bit confusing so they ended up underwatered and lost some leaves. Now there is new growth but leaves are droopy and overall the plant does not look well. Bottom yellow leaves are result of the unerwatering so I am not expecting those to recover obviosly. I also checked the roots carefully and I think they need to go into larger pot but being rootbound does not seem to be the cause of droopy leaves. They now recieve 200-250 ml every 36-48 hrs.

    LIGHT: 4x 65W CFL 18/6
    SOIL: Plagron Batmix (was opened aprox 2 years ago )
    STRAIN: Humboldt Seeds Amherst Sour Diesel Feminized
    AGE: pics are aprox 8,14 and 34 days since germination
    First pot since jiffy pot - 4in (diameter=height)
    No nutrition added.
    Ph in-out 6,5.
    Temp 22-29°C (72-84°F)
    Humidity 30% and many times drops below that - probably the ventilation is too strong.


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  3. #2

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    Quote Originally Posted by JanoBrana View Post
    Hello all, first time grower here.
    right now they are in day 34 from seed germination. It went well first 14 days and then they started showing signs of nut burn and it was a bit confusing so they ended up underwatered and lost some leaves. Now there is new growth but leaves are droopy and overall the plant does not look well. Bottom yellow leaves are result of the unerwatering so I am not expecting those to recover obviosly. I also checked the roots carefully and I think they need to go into larger pot but being rootbound does not seem to be the cause of droopy leaves. They now recieve 200-250 ml every 36-48 hrs.

    LIGHT: 4x 65W CFL 18/6
    SOIL: Plagron Batmix (was opened aprox 2 years ago )
    STRAIN: Humboldt Seeds Amherst Sour Diesel Feminized
    AGE: pics are aprox 8,14 and 34 days since germination
    First pot since jiffy pot - 4in (diameter=height)
    No nutrition added.
    Ph in-out 6,5.
    Temp 22-29°C (72-84°F)
    Humidity 30% and many times drops below that - probably the ventilation is too strong.


    Click image for larger version. 

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    your humidity Rh needs to @around 60 mate during seedling down towards 50 during flower, pot up to the next pot too rootbound doesnt help anything, they need the space to seek out, n water them till runoff you might need to add some grow nutes to help out with the soil ferts, i noticed you said it was opened 2 years ago, could be depleted
    ATB jano welcome to the talk as well fella.
    head into newbie section n get a dairy up same as this post but with every n any detail n pics about yer setup, this will allow us to help you quicker instead of having to keep asking what substrate, lights, heights, background, feed schedule etc etc etc

    be seeing you about i hope
    skin it roll it lick it twist it.


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  5. #3

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    Under watering to over watering?
    It's Not What You Know, It's What You Can Prove

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  7. #4

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    Yeah humidity seems really low. I’ve kept mine ~70% for veg. Really should be in a bigger pot by now?

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  9. #5

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    Quote Originally Posted by M_C View Post
    Under watering to over watering?
    that has been my question too so I tried less water one week and as a result it has been underwatered badly. Now it shows signs of overwating, but the pot dries out within 40hrs so I dont know. Also it might be that the low humidity is the reason why the pot dries so fast. I really dont know how to keep the humidity high. If I lower ventilation the temperature rises. If ventilation is high, the humidity is extremly low.

    Can i go straigt into the final pots from these ? - the final are around 12 litres (2,5 gal) or use intermediate ? I have square 18*18*15 pots that could be used as intermediate.

    THanks guys
    Last edited by JanoBrana; 04-11-18 at 02:00 PM.

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  11. #6

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    Flowering pots? You're asking the wrong guy, I grow autos

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  13. #7

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    Quote Originally Posted by M_C View Post
    Flowering pots? You're asking the wrong guy, I grow autos
    What I meant was the final pots they will be in.

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  15. #8

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    Quote Originally Posted by JanoBrana View Post
    What I meant was the final pots they will be in.
    When you grow autos you only use one pot, they don't get up-potted

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    Quote Originally Posted by M_C View Post
    When you grow autos you only use one pot, they don't get up-potted
    The thing is, I am not growing autos.

  18. #10

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    it looks like they are overwatered but idk

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