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Thread: Germination for aeroponics

  1. #11

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    Quote Originally Posted by existence View Post
    Thank you for the valuable info. It took just 24h for them to shoot up to be that big... i'll be sure to drop the dark time monitoring more frequently in future.

    Just so I can be ready in advance when would you typically introduce nutrients (Formulex) for the initial early feed?

    RO unit arrived today... went to fit it and some dodgy pipework prior to me resulted in a partly compressed joint pissing water everywhere. Fun.
    P!ssing water??? Been there ... bah! Same happened to me. Day I was leaving my last house ... found an old self piercing tap I had installed. Thought ... hmm ... will make sure it is closed ... whole thing disintegrated!!! Water everywhere ... and whole block had to be turned off for 5 hours!!

    I don’t know your nutes. Sorry.

    I assume all your substrate is nutrient neutral?

    If so Ec 0.2 @ 5.8 from above dirt.

    Seems a good starting point!
    Current Grow (3L coco autos) : Jumper's 2020 shenanigans

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  3. #12

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    Quote Originally Posted by existence View Post
    Propped them up a bit.. after just 7 hours under the light they're looking better already. The back left has it's leaves opened further whereas yesterday they were pointing upwards.

    Attachment 379779
    Good work fella ;-)

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  5. #13

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    Neutral yep. Ec 0.2 @ 5.8 - got it.

    Cheers bud

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  7. #14

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    Quote Originally Posted by Jumper114 View Post
    P!ssing water??? Been there ... bah! Same happened to me. Day I was leaving my last house ... found an old self piercing tap I had installed. Thought ... hmm ... will make sure it is closed ... whole thing disintegrated!!! Water everywhere ... and whole block had to be turned off for 5 hours!!
    I'm glad i'm not alone with the water works haha

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  9. #15

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    Things appear to be improving they're "looking up" towards the light and haven't fallen over

    Running the light 24h. Tent temp (not the prop dome) was 26.8 and humidity is still hovering 40% ish. Inside the dome I imagine 60-70% humidity and 28-30c.

    Here's a before and 10 hours later image...

    Click image for larger version. 

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  11. #16

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    I read a couple places that this sort of humidity in a dome is only useful for cuttings, because they haven't got root structure so hence need a more humid water filled environment to grow in.

    So... I decided to lift up the heat mat and found a pool of water. Interesting.

    Click image for larger version. 

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    I've ditched the heat mat, dome and placed them under the main light at around 300-400ppfd (the reading in the image below is higher because of the height of the reader)

    Click image for larger version. 

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    I think there is probably a better way to grow small before transplating in to aero pots.

    Anyway... let's keep learning on this first throwaway test run

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  13. #17

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    The humidity was a bit low so I introduced a bucket of water to tent to see how it does with humidity.

    These aren't looking too healthy to me... I may set a new test going alongside but instead with Perlite that isn't quite as wet of environment. Perlite should brush off to transplant in to aero tank fairly easy.

    I'm tempted to move these from the water style setup but I don't want to mess with the test. Unless you can confirm they're going to be a write off if something doesn't change?

    Click image for larger version. 

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  15. #18

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    May as well and wait and see what happens IMO.

    I cannot see the roots liking being in a stagnant environment myself.

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  17. #19

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    Quote Originally Posted by Jumper114 View Post
    May as well and wait and see what happens IMO.

    I cannot see the roots liking being in a stagnant environment myself.
    Thinking ahead to the next test in case these fail... do you have any suggestions? I'm trying to create a 2 inch strong plant that can be moved to a neoprene collar for aero system.

    If I start it off in soil or similar the roots will be hard to clean of debris. Hence the popcorn idea and now thinking perlite might do the trick?

    Cheers

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  19. #20

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    How do they do it with RDWC? Peat jiffy pellets? Would that not work? I think you will need a little medium to hold the starting roots (not true aeroponics I guess???). Would the misting not gently remove the medium in time?

    This is not an area I know or have read about.

    The problem to me of removing the growing medium from around the roots is 2 fold:-

    1) Disturbing the root mass will undoubtedly damage all the little hairs developing along the roots.
    2) Stressing the tap root causing severe shock.

    Weed plants IMO, especially autos, use tap root stress to trigger growth development.

    You clearly enjoy playing with fire :-)

    Nice to see someone try something new though.

    Hopefully some of the Talks gurus will chime in with their knowledge.



    Just my 2c

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