Anyone know whats wrong with the plant whose first...

Hello Pooshoe22, i think you indeed have an overwatering problem. My question to you is, do you have (enough) holes in the cups for drainege? Can the water escape or is it all staying down under in de cups. Maybe that might be the or another problem besides overwatering itself. I would remove the dead leaves, not feed them for a while, just keep the humidity up by spraying once in a while. One other thing, once they bounce back up and the soil is dry, especially the bigger onces with the leaves reaching over the edge of the cups. I recommend you transplant them into a bigger cup or pot. Hope this was an helpfull answer. Keep on growing my friend and good luck. Peace 😎

@pooshoe22 the effected plant could have been damaged by something you fed her or even by some stress from heat. However It looks a fair way behind the other plants so I would personaly chop it out and concentrate on the more advanced and healthy seedlings . Even tho it may recover and be ok it will always be a fair bit behind the other plants which will only complicate things for you when it comees time to flower them.

Hey ! I've had this issue before, there are a lot of factors to take into account here.. so hopefully I can point you in the right direction but in the end only you know exactly what has gone into your grow :) You will recognize nutrient problems in your seedlings if their leaves are yellow, crispy, spotted, or have other forms of discoloration. Your Cannabis seedlings should be green at all times – it’s as simple as that. The nutrient problems might come from too many nutrients, too little nutrients, the wrong kind of nutrients, or something else. If your plant exhibits symptoms like tip burn and dark leaves, it probably has a nutrient toxicity of some sort. First do you live in a metropolis area ? an area where if your feeding these plants "tap water" where your receiving it from a City water supply they tend to add things to the water such as chlorine.. simply either use a ph meter to test your water, or the old fail safe litmus paper is my choice because you don't have to calibrate it. very user friendly. make sure your within the range 6.0–7.0 ph. Next thing could be the soil you've used ? is it "hot" meaning it came with pre mixed with nutrients (i.e.:miracle grow) Feel free to send a PrivateMessage and we could discuss the possibilities this further. It may not be a perfect answer but its somewhere to start Cariboo_OG

Iam not sure what happened to her. but she will pull through it. Give her a new bigger and well aerated , growingpot. then she will grow nicely again. I dont have enough informations to get a better diagnosis. Its hard for them in those tiny singlecups. And it will be much easier for all ( you and the plants) to give them bigger shoes