if the problem is underwatering, just add some water and it should perk up again reletively quickly.

but i would be pretty pro-active about transplanting to a new home if the roots are looking to expand

If that's the case, it needed water and it's time for it to go into the NFT system. The roots coming out the bottom of the cube means they are searching for water and mature enough to start feeding lightly.

I know people are trying to help, but that plant is not rootbound. I understand the whole meaning of rootbound, but I don't agree. Container plants are going to fill whichever container to it's capacity in time no matter what. It's our responsibility to supply the roots with food, air and water. Food=nutrients Air=drainiage holes which after watering top or bottom brings air into medium during draining. Water- well water is water, every living thing needs it...lol.

It's that simple...there are exceptions and other ways to supply the roots with what they need, but to keep it simple, those are the basics.

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a disclaimer!

Ok, i have transfered everything into the NFT system, fan included this time, getting some fresh air. I will report back tomorrow evening with any progress. Thanks for all your help, and any other theories are welcome!

Ok, So one day later, i watered the plants, and then transfered them to the NFT tank, left it over night, kept lighting, heat, etc the same as it has been since planting the seeds. The plants do not look any different, only change is the 2 largest of the leaves are pretty dry at the tips. They look a healthy colour, although the photo doesnt show that well. Just a little darker than usual. The tops of the plant look good too, just droopy! Does this clarify anything?

I think overwatered if they didn't perk up at all when you did water them.

Rockwool CANNOT get rootbound.

Glad you moved it, step in the right direction, cut your nutrient flow time down. See if it helps.

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