help i need to know what is going on with her

ok i need to know whats goin on here the they are cupping up a lil just started i started fert 25% potency 2 days ago then today she got just water is it to much fert potency wise or to much water only 280-300 ml or to much light ect ect i just need help here this is also my first grow and my other 2 smaller girls are doin it to so im thinkin fert or light maybe