flowering problems

Appreciate all the tips i can get . These are blue cheese autos and were looking absolutly beutiful a week ago. Now all off a sudden they started looking like this? Stretching out and looking more and more leafy. They are in a drip system, hydro. Most of the roots have grown through the huge...

Hello, I have a problem with 1 of my plants as it just won't start to flower. It has preflowers and as far as I could see no pollen sacks. The other one is in flowering phase for around 3 weeks and is doing just fine. They are next to each other so light can't be the problem. What could it be...