They seem genetically weak. No real lateral growth.
You have all the lighting they need but for some reason they seem weak. It looks like you have a couple of them showing issue. With the number of plants going you could just cull them.
They seem genetically weak. No real lateral growth.
You have all the lighting they need but for some reason they seem weak. It looks like you have a couple of them showing issue. With the number of plants going you could just cull them.
Could be a lack of oxygen to the roots, and that can present as a nutrient deficiency. Not because your medium doesn't have what's needed, but unhappy inefficient roots can't supply it when and where needed.