All of plant turning yellow and light green.

Ever since a few days ago when I gave it mollases, it's in its 2nd week of flowering near 3 the little buds started to look much better, but the overall health seemed to plummet.

All the fan leaves have turned a very light greenish/even some yellow and now even the top leaves are faded in color. When I watered with molases, i also used a different water source, which isn't used often at all in the house.

Will it undergo a lot of stress or even hermi because of this? I watered with its usual water again today, and threw in a little nutes, will this solve it?

It's hard to tell without pictures. It sounds like she's being nute deprived or root/ph locked. What's your ph and what size pots are you using?

pics please, they help us diagnose the problem.

Yeah it sound like nute lock or iron/zinc def(if it started on the top) and nitrogen if its on the bottom. Flush it with some luke warm-warm water. If its steamy its probably too hot, you gotta get that molasses out of your medium.