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have you done or changed anything that would cause stress? high temps? transplants? something like that?

(I know you weren't talking to me but...) FYI, my plants are small because I did a shit job transplanting and shocked the fuck out of them so I probably delayed them like a week to a week and a half.

I got a 400W HPS for vegging and flowering because I'm too lazy to find some way to hook up my big CFLs. 19/5 lighting I think or like 18.5/5.5. HPS is like 2 feet above plants. Wow. Umm only water when the top inch or two of soil is dry man. Once a day is almost definitely going to be too...

Wow. I have almost the exact same thing. My cotyledons on my 2 week old turned really yellow and one of my leaf's tips turned yellow along with a brown spot almost exactly like that. It's been a few days since and I've just kept the pH normal along with the water schedule, kept good light and...

I'm looking into odor control for my closet grow and I'm trying to decide between an inline fan with a carbon scrubber or an ozone generator. I don't really want to deal with the hassle of replacing the carbon (along with paying for it) so that leads me to ozone. I'm iffy with ozone because I've...

Pix pix pix. Sounds like Mg def? What's the runoff pH? How often do you water? Type of lighting? NEED INFO...

Still pretty new grower but I think you should lower the pH a tad to like 6.5 or so. IIRC, 6.8pH is at the end of the preferred limits. That is pretty odd though. The only things I've read that cause drooping is overwatering and CO2 poisoning. Doesn't look overwatered and you didn't mention a...

Still pretty new to growing but you need to raise your pH some since it's soil to like 6.5ish. Looks like it's lacking some N and I don't think you needed to flush it out. My guess is pH lock but like I said I'm still pretty new.

Yah she seems to be doing better now. Her new growth is looking good and that leaf necrosis and yellowing seems to have stopped. Just watered both and kept the runoff at 6.5pH and 6.6pH and they're under 19 hours of light I believe. Seems to all be going well

i'm not gonna feed until they're like 3 weeks old. Idk what I was doing with the nitrate of soda. What you said makes sense though. I'm confused about the last parts though... what nutes burned off the new roots? and what moved onto the leaves?

well I had two born in miracle grow moisture control. Then I transplanted them to cups. One I left in the MG, one I put in my soil which has a bit of 5-3-3 nutes. My one in MG is actually doing quite well... This one seems to be getting a bit better but it's not as good as my MG one. The only...

would a really bad transplant job cause any of this?

actually could this be cause by a really shitty job of transplanting? I didn't do the best job transplanting to the cup.

Shit... I just looked at how old they are and it's pretty pathetic they're only this large at day 13... What have I done to stunt the growth this much???

I just dug it out and smelled the roots and there's no pungents odors. It just smells like the soil... I'm using my own soil mix with straight soil mixed with perlite, vemiculite, and 5-3-3 nutes. I don't have a tool to measure the humidity but I'm going to put some wet towels in there...

But that's the thing. I don't know if it's good soil. I mixed it but this is only my second grow. I also still don't get why my cotyledons would yellow up this early.

So I need to stop doing shit, transplant to straight soil with a runoff pH of like 6.5? and just hope and pray?

could it be heat stress? Do I need to raise my HPS?

Well not only is the tip of this leaf yellowing more than the rest but it also has a necrotic mole that made a small hole in the leaf. wtf???

I know they're too small to feed. I put a miniscule amount of nitrate of soda in the spray bottle. I guess I'll just get straight soil.