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Old 07-27-2020, 08:26 PM #1
sogman
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Question Having tough go with seedlings, learning techniques.

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This is the 3rd seedling I have tried.

It looks possibly burnt, I didn't properly pH adjust this attempt I just added some pH down, I know thats absolutely counterintuitive.

Anyhow, I have a rockwool that is sitting soaking in solution I tested with a liquid test to just below 6ph probably 5.7-5.8

I was planning on adding 3% h2o2 and getting a scarified seed prepped in a 24hr soak.

I assume this latest iteration of failures is going to die but curious if anybody can diagnose what is actually happening.

I have it under a mixed spectrum multidiode with UV and IR and mixed visible spectrum light, very high par, 50w led chip about 12" away.

I tds tested the water, showed slightly over 700 TDS, probably too much fert still for the seedling.

Could be a lot of things wrong.

Next time will only add seaweed supplement at 1:500 until the seedling has several good leaves and then straight to dwc.
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Old 07-27-2020, 09:28 PM #2
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Seriously bro, stick it in some dirt under a fluorescent or even on the window sill. All that shit you're doing or plan to do is just overkill. Let's just get the things to grow for a minute before we start worrying about UV and IR and peroxide and the whole deal.
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Old 07-27-2020, 11:24 PM #3
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I thought that was kind of an ignorant response and didn't address anything.

Thanks though
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Old 07-27-2020, 11:27 PM #4
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Quote:
Originally Posted by sogman View Post
I thought that was kind of an ignorant response and didn't address anything.

Thanks though
Okay then. Keep doing what you're doing. I'm sure you'll figure it out.
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Old 07-27-2020, 11:31 PM #5
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I may be wrong, but i think you're supposed to soak rockwool in 5.3 ph solution. i never use rockwool so i'm not sure. also, did you shake it out?


700 TDS is not a reading. it's either 700 ppm on the 5 scale or the 7 scale. it's much easier to find out the ec since it is not on a scale like ph. btw, 700 is way too high unless your water is over 500.
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Old 07-27-2020, 11:42 PM #6
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Quote:
Originally Posted by SamsonsRiddle View Post
I may be wrong, but i think you're supposed to soak rockwool in 5.3 ph solution. i never use rockwool so i'm not sure. also, did you shake it out?


700 TDS is not a reading. it's either 700 ppm on the 5 scale or the 7 scale. it's much easier to find out the ec since it is not on a scale like ph. btw, 700 is way too high unless your water is over 500.
Super helpful!!
Thank you!!

Yeah I figured the ppm was waay too much.

This time I adjusted pH to 5.5, I think the result will be much better.

I also prepped a Peat pellet and another seed to compare results in the Seedling Growdome.

I have a 60mm fan in there and a thermostat-controlled heating pad.
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Old 07-28-2020, 04:33 AM #7
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Peat pellets can be acidic.

When using grow cube rock wool, I always soaked it and squeezed out moisture. You'll find a way. Good luck.
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Old 07-28-2020, 05:05 AM #8
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What is the final media you plan on using?
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Old 07-28-2020, 06:01 AM #9
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Soil is lot easier than rockwool.
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Old 07-28-2020, 06:26 AM #10
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Quote:
Originally Posted by sogman View Post
Attachment 542943

This is the 3rd seedling I have tried.

It looks possibly burnt, I didn't properly pH adjust this attempt I just added some pH down, I know thats absolutely counterintuitive.


1# how much ? mixed with? and why ?
1 #response dont adjust find what works for your water /supply

Anyhow, I have a rockwool that is sitting soaking in solution I tested with a liquid test to just below 6ph probably 5.7-5.8

2#.soaking /sitting? Solution /tested ? Below 6 ? 5.7-58?
Why ?

2# response run what you have and follow a pre set schedule at 1/4 strenght of manufacture recommendation for vaules ( n,p,k)


I was planning on adding 3% h2o2 and getting a scarified seed prepped in a 24hr soak.

3# why ? On what grounds ?

3 # pre soak ( till they sink 24-36 hours), temp 70°, dark 100% , duration between cleaning / washing 48-72 hours



I assume this latest iteration of failures is going to die but curious if anybody can diagnose what is actually happening.

4

4 check icmag for a thread pertaining to seed germination

I have it under a mixed spectrum multidiode with UV and IR and mixed visible spectrum light, very high par, 50w led chip about 12" away.

5# high par ? How high ?
5 confused at this point ?

I tds tested the water, showed slightly over 700 TDS, probably too much fert still for the seedling.

6 700 tds why ? Fert after that 700 tds ?

6# water only for the first week or two


Could be a lot of things wrong.

7# yup


Next time will only add seaweed supplement at 1:500 until the seedling has several good leaves and then straight to dwc.

I am trying to help but this is not a easy one .i tried
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