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Thread: First Grow, Help Needed

  1. #1

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    Default First Grow, Help Needed

    Hey People
    I am in what I think are the last few weeks before harvest and my plants have taken an odd turn (9weeks into flower).
    One looks fine (maybe bit dry) with a few big fan leaves around the buds while my other two have only dead brown leaves in the buds. I did forget to water for about 4 days but they seem to be getting worse, see pics.
    They are growing under a 400W HPS bulb 12/12, with a fan extracting hot air constantly and open vents at the bottom of the tent to allow fresh air in. Temperature is between 20-30oC. I have a dehumidifier on for 3 hours a day to keep humidity between 30-50%.
    If anyone can tell me what could have caused this, what can I do to fix it and how to prevent it happening again I would be very grateful. If it was just not watering for 4 days and I can't recover please advise on whether I should crop now.
    Let me know if you need more info

    Cheers
    C
    image1.jpgimage2.jpg

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    Quote Originally Posted by Chippy1 View Post
    Hey People
    I am in what I think are the last few weeks before harvest and my plants have taken an odd turn (9weeks into flower).
    One looks fine (maybe bit dry) with a few big fan leaves around the buds while my other two have only dead brown leaves in the buds. I did forget to water for about 4 days but they seem to be getting worse, see pics.
    They are growing under a 400W HPS bulb 12/12, with a fan extracting hot air constantly and open vents at the bottom of the tent to allow fresh air in. Temperature is between 20-30oC. I have a dehumidifier on for 3 hours a day to keep humidity between 30-50%.
    If anyone can tell me what could have caused this, what can I do to fix it and how to prevent it happening again I would be very grateful. If it was just not watering for 4 days and I can't recover please advise on whether I should crop now.
    Let me know if you need more info

    Cheers
    C
    image1.jpgimage2.jpg
    She’s coming to an end for sure mate, have you check the trichomes ( thc crystals)




    “Reality exists in the human mind, and nowhere else.”
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    Macky is that the plant sucking the nutrients from the leaves itself yeah ? Coz shes nearly done

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    Quote Originally Posted by Gaz View Post
    Macky is that the plant sucking the nutrients from the leaves itself yeah ? Coz shes nearly done
    Could be mate, she is looking ready, trichs will tell if she is close or finished. They’re looking dry as well as pale, which could be from fan burn, humidity too low, with too much of a strong breeze blowing over them will evaporate the water from the leaves and dry them out like this.

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    Cheers
    Could I be under feeding her if she's doing that?
    If i'm honest I've not been very good at tracking how often I feed her

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    Quote Originally Posted by Macky View Post
    Could be mate, she is looking ready, trichs will tell if she is close or finished. They’re looking dry as well as pale, which could be from fan burn, humidity too low, with too much of a strong breeze blowing over them will evaporate the water from the leaves and dry them out like this.
    You're probably bang on there. I have had my desk fan and dehumidifier blowing straight onto them. I'll run down stairs and face them against a wall now.
    I will also bring my eye glass back from work and check the trichomes.
    Fingers crossed they're ready desperate to get them dried cured and tested!!

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    Quote Originally Posted by Chippy1 View Post
    You're probably bang on there. I have had my desk fan and dehumidifier blowing straight onto them. I'll run down stairs and face them against a wall now.
    I will also bring my eye glass back from work and check the trichomes.
    Fingers crossed they're ready desperate to get them dried cured and tested!!
    On the button. Lovely lol. You’ll need something that magnifies between 60 and 100 x mate.

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    any closer pics,,they don't look near harvest to me.

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    Quote Originally Posted by cannabisphilanthropist View Post
    any closer pics,,they don't look near harvest to me.
    Yer you’re right, a closer look, those white hairs are straight, and new, you’ve got weeks left

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    Definitely need a loupe or scope with a minimum 60x to check those trichs guess work is no good whatsoever for harvesting, all the best brother, G'.
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    Heres a few close up pics, not the best.
    Had a look through microscope and trics are still clear at the moment
    Attached Images Attached Images
    Last edited by Chippy1; 09-09-18 at 07:44 PM.

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    Quote Originally Posted by Macky View Post
    Yer you’re right, a closer look, those white hairs are straight, and new, you’ve got weeks left
    I've turned the fan away from the plants now, is there anything else I can do to try andstop the leaves dying?
    Feed them more/less?
    Water more/less?
    Increase humidity?

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    they look like they need some food and water...possibly a little extra nitrogen,,they have a ways to go still...

    id also be on top of the feeding schedule... only half recommended nutes every other feeding unless plants are telling you otherwise.

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    Quote Originally Posted by cannabisphilanthropist View Post
    they look like they need some food and water...possibly a little extra nitrogen,,they have a ways to go still...

    id also be on top of the feeding schedule... only half recommended nutes every other feeding unless plants are telling you otherwise.
    Cheers man, I'll have a look at my feeds and see which is best. Think i have a tomato feed thats high in nitrogen

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    Quote Originally Posted by Macky View Post
    She’s coming to an end for sure mate, have you check the trichomes ( thc crystals)

    Very useful information.

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    So for anyone that's interested I went to my local hydroponics shop the other day to grab some stuff and showed them the pictures of my plants and described my set up.
    They said the plants look like they have gone back into veg and are on the edge of being ruined.

    Straight away they said it was too hot and I needed to get the temperature right down and have a difference of at least 10oC between night and day temps. I got myself a cheap inlet fan to assist with this as my setup didn't include one so fresh air was only getting pulled in through the bottom vents.
    They also said I was ruining the plants by checking in on them during their night time and that any light getting onto them during their night would wake them up and put them back into veg. To try and stop this I have changed their day time cycle to day light hours that way I can try and prevent any natural light getting onto them during their night cycle. I will also have to stop myself checking on them and just let nature do its thing.
    They also suggested I should lift the pots off the floor as the cold ground might cause the roots to stop working.

    All in all it seems me being a pest has been the issue and in future I should just leave the plants to it.

    Lessons learnt and a little bit of extra kit and I hope my next attempt will be better.

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    Quote Originally Posted by Chippy1 View Post
    So for anyone that's interested I went to my local hydroponics shop the other day to grab some stuff and showed them the pictures of my plants and described my set up.
    They said the plants look like they have gone back into veg and are on the edge of being ruined.

    Straight away they said it was too hot and I needed to get the temperature right down and have a difference of at least 10oC between night and day temps. I got myself a cheap inlet fan to assist with this as my setup didn't include one so fresh air was only getting pulled in through the bottom vents.
    They also said I was ruining the plants by checking in on them during their night time and that any light getting onto them during their night would wake them up and put them back into veg. To try and stop this I have changed their day time cycle to day light hours that way I can try and prevent any natural light getting onto them during their night cycle. I will also have to stop myself checking on them and just let nature do its thing.
    They also suggested I should lift the pots off the floor as the cold ground might cause the roots to stop working.

    All in all it seems me being a pest has been the issue and in future I should just leave the plants to it.

    Lessons learnt and a little bit of extra kit and I hope my next attempt will be better.
    All sound advice that is mate... didnt know you were checking on them whilst theyre supposed to be sleeping.... expect seeds in this crop mate, they have probably hermied

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