Lighting Should I worry

[Eggstylen]

I planted two autos skull Ryder and assassin they popped in two days out of a 15L pot grew 1cm and that's it it's now been 15days looking green water at 6ph 400 w led is 65cm away temp in tent 22.5 degrees why are they not growing

 

[Wait what?]

The roots are growing. Give them time and she'll start pushing up

 

[Eggstylen]

Cool it's only the auto assassin write up said it should show flowering around 3-4 weeks let's hope for some movement and should I feed any nutes or keep to ph water until some growth cheers