Hiyas,
Ok some answers for you and pics they are looking worst today they are only 2 weeks old and the water level is an inch below the bottom of the pot (water level does not touch pot and water has air stone) also yellow leaves now..I have one that’s shown not in the dwc system which isn’t drooping so yes maybe I should only be feeding from the top for now? Appreciate the help I got a bit to learn.
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- Are these photo-period, or autoflower?
- Did you download/copy the official recipe of nutrients from the manufacturer's site?
- What type/wattage is the light that you are using?
- How far from the plant is the light?
- What is the humidity level of the tent?
- What is the temperature of the tent?
- What kind of water are you using? (Tap, filtered, distilled)
- Do you own a water chiller? It will become necessary once the plant is bigger, and the summer temps make your water a breeding ground for microbes.
OK, the plant in the pot looks droopy, but not really "bad." Do you have ANYTHING in the basket other than the expanded ceramic pellets? Coco, soil, or some other medium that would hold moisture/nutrients? Because those ECP's look very dry, and those leaves look thirsty, imo. If not, you might need to wet the pellets with a weak nutrient solution as often as a couple of times per day. If it's just the plug and the pellets, you might want to temporarily move the pellets away from the top of the plug so that you can monitor exactly how dry or moist it is easier.
Those pellets have no ability to hold moisture or nutrients. So your plant might only be getting whatever moisture it can from the humidity in the bucket. But that would contain minimal nutrients, if any at all. But you have to be super careful, because it's a very fine balancing act with a plant that young. And they can be drowned very easily.
They don't really look "clawed" to me, which is good, because that would be a nutrient issue of some type. They just look droopy, like there isn't enough water in the plant to keep the leaves plump and lush. But, again, that is a very fine balance. Much like a baby human, your plant is at its weakest and most vulnerable right now.
As for the plant in the plug, sitting on the bucket cover. Those yellow leaves are the cotyledons. They only exist in order to provide enough photosynthesis for the first couple of sets of true fan leaves to develop, and then they yellow, die, and drop off. So that looks normal to me. The plug itself looks like it could use a little water, but moist NOT wet. Plants need CO2 for photosynthesis, but they need O2 for healthy roots, so don't overload the plug with water.
DWC grows come with their own unique challenges. I take pictures daily at the same time every day, and keep a journal of everything that I do, and (later on) how that affected the plant. You may or may not want to do that. If you do want to keep a grow journal, this forum has a specific thread for them, and frequently updating one might help people track the progress of your grow if and when you run into more issues.