Stretching too much

Thankyou for such kind feedback, I will move it into a hydroponic black drum soon. Hopefully it help. I did top off the leading leaves, now it start slowly creating more leaves now.

Very cool set up ! Basically it's a problem of lights, you should put your lights quite close to the plants, like 40 cm max. Hope this helps ! 🚀

Hello Chaiwatv, Seedlings have very little leaves. The total surface area in which to absorb light is very small. The most comment situation that causes this is light deprivation. Here you have all the information regarding how to deal with tall, stretchy cannabis seedlings https://www.royalqueenseeds.com/blog-how-to-deal-with-tall-stretchy-cannabis-seedlings-n777#:~:text=Abnormal%20stretching%20in%20the%20seedling,is%20not%20receiving%20enough%20light.

Looks like your main problem is lack of light. It's stretched and isn't bushing out at all. This could also be due to the small reservoir, light hitting the roots, bad pH, or some combination of these.