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Offlinepanda
Female

Registered: 02/02/10
Posts: 10
Loc: USA - Midwest
Last seen: 6 years, 7 months
1st Time Grow - Are my seedlings okay?
    #358223 - 02/05/10 10:28 PM (6 years, 9 months ago)

I have a hydroponic set-up and planted seeds from a seedbank on 1/30.  I just noticed one of my seedlings (labled #2 in pics) is yellowing around the veins.  What is this indicative of?  Too much heat?  I have 6 seedlings about 4-5 inches from two 42W CFL's. Temp fluctuates between 75-85 degrees and 30-40% humidity.  I have a fan circulating air in a 4'x2.5'x5' closet space.  See pics.  Any help and/or pointers greatly appreciated.



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"Be who you are and say how you feel because those who mind don't matter and those who matter don't mind"
-Dr. Seuss


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OfflineTheShroomJew23
The Chemist
Male


Registered: 10/02/08
Posts: 739
Last seen: 5 years, 9 months
Re: 1st Time Grow - Are my seedlings okay? [Re: panda]
    #358228 - 02/05/10 10:47 PM (6 years, 9 months ago)

You should be fine, BTW if that is a set-up from stealth hydro I just want to inform you that those tubes leading to each individual pot clog and badly, to the point where I had to just rebuild the whole thing on my own.


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InvisibleFurrowedBrowM
Free yourself from yourself
Male User Gallery


Registered: 04/20/08
Posts: 12,037
Loc: Carpal Tunnel
Trusted Cultivator
Re: 1st Time Grow - Are my seedlings okay? [Re: TheShroomJew23]
    #358229 - 02/05/10 10:58 PM (6 years, 9 months ago)

I would say that looks like a N deficiency in #2.  put those lights as close to those little seedlings as is allowable, use the hand method.  I take it you haven't feed those seedlings any nutes yet?  I dont remember mine ever showing def. signs so early on.  They look pretty good though.


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Multidisciplinary Association for Psychedelic Studies - Become a member!
The Growery's Herb Museum (post #24)
I prefer dangerous freedom to peaceful slavery.
~ Thomas Jefferson ~


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InvisibleHawksresurrection
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Registered: 12/05/08
Posts: 13,294
Trusted Cultivator
Re: 1st Time Grow - Are my seedlings okay? [Re: FurrowedBrow]
    #358236 - 02/05/10 11:29 PM (6 years, 9 months ago)

So what's the PPM's, pH, any nutes or supplements added at all??


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Dude she isn't as young as she use to be.

-niteowl


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Offlinepanda
Female

Registered: 02/02/10
Posts: 10
Loc: USA - Midwest
Last seen: 6 years, 7 months
Re: 1st Time Grow - Are my seedlings okay? [Re: Hawksresurrection]
    #358431 - 02/06/10 02:26 PM (6 years, 9 months ago)

Thanks so much guys.

This is a stealth hydro set-up.  Thanks for the heads up on the clogging issue, Shroomjew.  I suspected once I got the system there would be some necessary maintenance I would need to keep up with. I had some successful mushroom grows and when I began  my research into marijuana cultivation, I was a bit overwhelmed.  The ease and relative straightforwardness of the kit gave me the courage to give it a try. So far so good, but now I am beginning to get into the science of my grow and thank God for you guys and the Growery is all I can say!!

Once the seeds sprouted I added the nutrients for the vegetative stage that came with the kit as directed.  I've been checking the Ph daily and it has been steady between 5.75 and 6.

Are the two 42W CFL's enough light for my space? Is there any benefit or downfall to switch up to an HPS at this point? 

Thanks again :grin:


--------------------
         




"Be who you are and say how you feel because those who mind don't matter and those who matter don't mind"
-Dr. Seuss


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InvisibleFurrowedBrowM
Free yourself from yourself
Male User Gallery


Registered: 04/20/08
Posts: 12,037
Loc: Carpal Tunnel
Trusted Cultivator
Re: 1st Time Grow - Are my seedlings okay? [Re: panda]
    #358450 - 02/06/10 02:37 PM (6 years, 9 months ago)

You would want to switch to a metal halide bulb in an HID system.  The color spectrum of the HPS is more suited for flowering as it's more of a red color and the MH is more of a blue spectrum.  As for the CFL's i'd say ditch em if you have an HID set up and dont mind the added electricity costs.


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Multidisciplinary Association for Psychedelic Studies - Become a member!
The Growery's Herb Museum (post #24)
I prefer dangerous freedom to peaceful slavery.
~ Thomas Jefferson ~


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OfflineTheShroomJew23
The Chemist
Male


Registered: 10/02/08
Posts: 739
Last seen: 5 years, 9 months
Re: 1st Time Grow - Are my seedlings okay? [Re: FurrowedBrow]
    #359373 - 02/07/10 06:25 PM (6 years, 9 months ago)

The nutrients are pretty good by the way but I always add a little superthrive for safety of N.


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Offlinefort collins ak-47
cherry pheno
Male


Registered: 02/07/10
Posts: 13
Last seen: 6 years, 2 months
Re: 1st Time Grow - Are my seedlings okay? [Re: TheShroomJew23]
    #359602 - 02/07/10 11:07 PM (6 years, 9 months ago)

i use blue spectrum bulbs for seeds and cuttings,along with moms.t5'floro's.saves me money,stress on plants,etc.

many very good comments above.just giving you my advice.

i really love: botanicare grow,and bloom.it has pH buffers.
advanced nutrients bud candy,and nirvana.no buffers.

i also love voodoo juice and roots organics oregonism xl.

one love.


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