Looks like she have a nitrogen excess, can be seen on the leaves that "looks" dark green ( hard to day under the orange spectrum) and the shape of the leaves : They are clawing ! Clawing + Dark green = N excess ( could also be a peat attack BUT it would not be my 1st idea )
I think it's been overwatered for a while. Make sure u lift each pot cuz not all plants take in water at the exact same time. Good luck and keep growing