Somebody please help this maiden in distress :(

Ok, we want to help. Take the pics again, with the light off. With it on, we can't tell what's yellow because of the light vs what's yellow because your plant is sick.

Also, you mention the ph level is between 6 and 7 and that's why you don't think it's nute burn. That's apples and oranges. Ph level is ph -- the level of alkalinity or acidity. Nutrients are something else. I'm assuming you haven't added any nutes to your soil. But check the soil bag -- it may say it's good for germination and seedlings, but that might not be true. There should be NO nutrients added to your soil for marijuana germination or seedlings. Those babies are very, very sensitive.

Good luck!
 
I looks like not very good soil, you are probably over watering and you probably had the lights too close. I would definitely grow those under 18/6 as your seedlings don't need that much light I might even consider getting a t5 or t8 for it because a 4ft t8 florescent from walmart with bulbs will cost under 15$ and you are only using maybe 110 watts verses 600 watts and they dont need that much light right now. Don't feed them yet and let them get comfortable with there environment. Have a fan going but not directly on the plants so air is moving but not drying it out to quickly.
 
I wouldnt water them as often as youre watering them ! when I do seedlings I usually give them like a cup of water once a week until they start turning to wood but I use fox farm ocean forrest soil and 1.5 gallon pots ! by watering them seedlings once a week it will make the roots work for water by stretching down. once they start to turn to wood then I go 2 cups of water once a week ! wait until the leaves start to droop slightly before you water your plants . and also I dont agree with doing a 24 hour light cycle period ! cuz its not natural for a plant to have 24 hours of light . you have to give it a dark period so the plant can photosynthesis . all the plants I seen that was vegged on 24/7 looked skinnyand all stretched out . I do 16/8 in veg and im satisfied with how good they look.
 
Why dont you use google to learn more about this type of plant? U shouldn't have that type of light on for so long because its inefficient to have it on at all at this stage in the plants life invest in a t5.
 
Don't worry, you're not doing anything wrong. It could be time for some food sticks that release slowly however. Those bulbs are a problem, way too much for seedling. Put that light aside and use cfls for the next week and a half.

EDIT: On second thought, those plants are extremely stressed. Keep in mind that with pots that large, you need to add water in amounts that they can reach the roots, and it doesn't sit on the topsoil. If the hairs are still on the stem and new nodes, you don't have to worry too much about overwatering. water fuels the cotyledons at that stage.
 
KushMastuhh said:
Don't worry, you're not doing anything wrong. It could be time for some food sticks that release slowly however. Those bulbs are a problem, way too much for seedling. Put that light aside and use cfls for the next week and a half.

EDIT: On second thought, those plants are extremely stressed. Keep in mind that with pots that large, you need to add water in amounts that they can reach the roots, and it doesn't sit on the topsoil. If the hairs are still on the stem and new nodes, you don't have to worry too much about overwatering. water fuels the cotyledons at that stage.
Click to expand...

Ah I have been looking into food stick so I can start using them at the weekend. I was told though that HPS would be fine for all stages so long as I make sure to have it at the right heights? (which I obviously did wrong lol) Because the pots are big I actually tend to water them slowly, i.e. add tiny bits at a time and let it soak into the soil before adding more. I usually give them a cup of water each when I water. Well with the cotyledons now dead I presume the water goes to the new leaves and nodes. I did notice new growth in one plant, not so sure about the other. Last time I watered was Monday and I am thinking about watering again tomorrow. Yay or nay?
 
Nay...big pots of soil will easily hold water for a week or more, unless you have a mature plant growing in them! Make you baby plants work for their water...dryish soil encourages roots to search out water...the bigger your roots, the better your plant. (basically)

At that age they wont drink much at all, so its evaporation which gets rid of most water out of the soil.
 
With the condition that those plants are in, you have no idea of knowing what the problem could be until you try your options. The last time you watered was Monday? With pots that large, you have to add lots of water or else you're stock piling salt based nutrients. Do not transplant the plants, they won't handle that well. It could be that too much that there is just too much sodium in your soil from under watering.

you have to consider your variables and options here. The survival rate is a slim window, and sometimes doing exactly what needs to be done won't even help... Don't expect miracles.

I say add water, but not to a complete flush. You should do a more gradual flush, add water to 35%-40% run off every 2-3 days. You could take the advice not to water, but heed the fact that these guys probably have perfectly well bodied plants that are in the last few days of veg. I feel that in this particular underground community of botanists, people often find that no matter the predicament of someone else, they always end up saying exactly what may have been their problem earlier, which can be to your plants disadvantage.
 
KushMastuhh said:
With the condition that those plants are in, you have no idea of knowing what the problem could be until you try your options. The last time you watered was Monday? With pots that large, you have to add lots of water or else you're stock piling salt based nutrients. Do not transplant the plants, they won't handle that well. It could be that too much that there is just too much sodium in your soil from under watering.

you have to consider your variables and options here. The survival rate is a slim window, and sometimes doing exactly what needs to be done won't even help... Don't expect miracles.

I say add water, but not to a complete flush. You should do a more gradual flush, add water to 35%-40% run off every 2-3 days. You could take the advice not to water, but heed the fact that these guys probably have perfectly well bodied plants that are in the last few days of veg. I feel that in this particular underground community of botanists, people often find that no matter the predicament of someone else, they always end up saying exactly what may have been their problem earlier, which can be to your plants disadvantage.
Click to expand...

Dude I totally agree with you all the way. There were one or two people who said I didn't do my research. I did. Different things worked for different people. I noticed that most people were suggesting HPS bulbs when I did my research, I was also told to just plant straight to a 4 or 5 gallon bucket. Different things work for different people. I am a newbie. I saw there were loads of different ways that worked and I just picked the one I got the most info on.

So how much water would you suggest? Until it is coming out the bottom off the pot or until I can feel the soil at the bottom starting to get slightly damp?
 
If something is in your soil that's too strong for the seedling, then you need to flush it out. Not all at once, but until the water is running out the bottom for about 6 consecutive seconds. Now since you're in such big pots, you need to at least add 1.5-2.5 gallons to purge the soil. Too much water will stress the plant even more, too little won't wash out whatever is there. Now since you're not going to be completely flushing all at once, you need to do this once every 3-4 days.
 
Also what appleseed said is important. Learning to water correctly isn't the same as how you water. Unless you can see through soil and know exactly where the roots are or where a photosynthetic lag is occurring in the plant, it doesn't really matter how you go about adding water. Your measurements and balances are key to the plants health...

EDIT: Overwatering tends to cause overly greened leaves, that's definitely not over watering, the cotyledons push growth at stage and aren't photosynthetic leaves so they need water in a ratio more size prioritized until the leaves can take off on their own.
 
ok now that I have seen your plants... What soil are you using?
stuff doesn't seem to have much perlite in it. so if it has a high charge that can do it... drainage and water retention are important..

basically whenever your plant pot is light is when you need to water it.


Wait atleast 2 weeks-month from germ to start feeding.
 
IrishPixelPixie said:
Oh really? Why do the first two leaves dry up and die? just curious... Ah I was wondering if accidentally getting droplets on the leaves had anything to do with it... You have to remember though that those pictures are from Friday :/ They were slightly papery but then Sunday they were totally crispy and just dead... And you don't think it is a problem with air circulation? I didn't think it was because of the large space they have. like bigger than my bedroom xD So what do you suggest? Not water them for 2-3 days and bring my 600w HPS bulb down again (as I had raised it due to fear of heat stress)
Click to expand...

When I first tried growing I asked the same question on rollitup about the first two leaves and everyone ripped me a new one for asking haha. I don't know why they do it honestly, but I'm pretty sure tons of plants begin growth that way.

And I think you're just worrying too much. Your light is probably too close but I doubt its the air circulation. The air circulation is just helpful for 4 things:
1) In confined spaces it keeps the leaves cooler.
2) It prevents mold and fungus
3) If you have an exhaust and intake fan (which you don't need in a big area), you can keep the temperature of a confined space much much lower.
4) It supposedly helps the stem and branches grow much stronger due to having a little bit of wind blowing the plants around. I don't know if this is true or not but this is just what i've heard.

And yeah if you have a HPS you need that fucker much higher. You can only keep the lower temperature lighting that close to the plant (like LED's and CFL's)
 
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