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Old 07-23-2020, 10:36 PM #1
Clayton_Bigsby
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Whats Wrong With my Seedlings?

Hi, im having some trouble with my new set up and im not sure what's wrong. My plants are a week old and both strains I am growing are having the same 'wilting' problem. They're not really wilting as much as they are just bending downwards and looking weird. As you can see in the pics...

A little about my setup

My seedling mix is peat moss, coc coir, EWC and perlite. I added a little bit of seaweed kelp as well.

I have a 330 watt Quantum board on them. I hung it real high at first and they stretched a little right when they popped so i lowered it to about 30 inches above the plants.

Im running CO2 in a sealed room at 1100 ppm.

temps get as high as 80F during the day and as low as 66F at night when lights are off. Humidity stays around 50%. Disregard the thermometer readings in the pic, they're completely wrong.
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Old 07-23-2020, 11:09 PM #2
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How often do you water them?
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Old 07-24-2020, 12:06 AM #3
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How often do you water them?

Every 3 days or so. My mix drys out really quick. I don't think its an over or underwatering problem. I'd like to think I have a little more experience than that but I could be wrong.
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Old 07-24-2020, 01:00 AM #4
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I would go to Spring Water, just to eliminate your water source as a potential problem.

assuming you can get a gallon of spring water for near $1.


a lot of people use Jiffy plugs, Jiffy something, those peat things that expand.
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Old 07-24-2020, 01:16 AM #5
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I would go to Spring Water, just to eliminate your water source as a potential problem.

assuming you can get a gallon of spring water for near $1.


a lot of people use Jiffy plugs, Jiffy something, those peat things that expand.


Thanks, but im already using spring water. Do you think my light is too strong?
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Old 07-24-2020, 01:32 AM #6
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Maybe the soil is 'overfertilizer' for the babies, or maybe its ok but this genetic is sensible to normal levels of food
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Old 07-24-2020, 01:37 AM #7
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I mean it looks like underwatering to me. If the humidity is really 25% that's low enough the stomata close up and cannot do their thing.
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Old 07-24-2020, 03:06 AM #8
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My guess is not enough water/ humidity. Easy solution might be to put the domes back on the trays. If the humidity rises and the plants look better then we have a answer. Second thing I'll say is something I don't fully understand so I'm not saying I'm correct only that I experienced something like this before. So take the suggestion/story below under the advisement that it's just a possible not a promise.

So way way back we had a veg room that we pumped with CO2 from a flowering room that touched the room. The Veg room was so sealed that pumping around about 1200ppm during the flowering room's light cycle would keep the veg room in the high 800s all day. So we start having a wilt much like yours until we lower the PPM to max at 800. We also adding a better exhaust system to the room to keep more "fresh" air coming through the room. So again, I'm not saying I'm right here but maybe lower the CO2, at least until later in the cycle or it's something to consider if that would be an easy change.
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Old 07-24-2020, 03:49 AM #9
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My guess is not enough water/ humidity. Easy solution might be to put the domes back on the trays. If the humidity rises and the plants look better then we have a answer. Second thing I'll say is something I don't fully understand so I'm not saying I'm correct only that I experienced something like this before. So take the suggestion/story below under the advisement that it's just a possible not a promise.

So way way back we had a veg room that we pumped with CO2 from a flowering room that touched the room. The Veg room was so sealed that pumping around about 1200ppm during the flowering room's light cycle would keep the veg room in the high 800s all day. So we start having a wilt much like yours until we lower the PPM to max at 800. We also adding a better exhaust system to the room to keep more "fresh" air coming through the room. So again, I'm not saying I'm right here but maybe lower the CO2, at least until later in the cycle or it's something to consider if that would be an easy change.


I think you nailed it! I run my CO2 line from my flower room into my Veg room. This is the first run so there's not even plants in my Flower room yet. I just unplugged the CO2 altogether. going to check back tomorrow and if they're still wilted then i will put them back in the humidity dome.

I also don't have an exhaust. I already have the hole cut where an exhaust would go but decided against it since im using CO2 from a tank and I read that an exhaust wouldn't be needed for a situation like that. I may reconsider depending on how things turn out along this grow. This is my first time using CO2.
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Old 07-24-2020, 10:46 AM #10
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Quote:
Originally Posted by Clayton_Bigsby View Post
My seedling mix is peat moss, coc coir, EWC and perlite. I added a little bit of seaweed kelp as well.

Im running CO2 in a sealed room at 1100 ppm.
Hi,

1. The mix introduces a lot of variables.

If it was just coco coir and nothing else, I would say just give the plants a low dose of high P/K flowering food (0.4 EC of Plagron Green Sensation, Atami B'Cuzzz 0-20-30 or Canna's PK 13/14), and 0.1 EC of Epsom Salt for magnesium for the leaves. P stimulates root growth, K stimulates stem and branch growth. PH 6.0, the same as the medium's pH.

2. The sealed room

I'm not an expert at sealed rooms or tents, however I would make sure there is enough air, etc. They're not taking up a lot of CO2 at this size.
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