5 week 2 days flowering death like problems. need help

filtering systems are only effective against solids, and if they have activated charcoal (brita) the remove organics/hydrocarbons and SOME other compounds too.
RO and distillation systems remove minerals and ions.
Water softeners only exchange minerals with salt ions.
Um what am I forgetting?
Oh. UV sterilizes the water, removing bacterial and fungal pathogens, and I believe all/most viruses too, but leaving salt and mineral content unchanged.

What was the dose on that molasses?

1 Teaspoon.

and now there is no more fan leafs left on the sativa.

I think Ima let her go as long as I can.

HEAT STRESS. and lack of Nitrogen. my CFL'ed plants had that problem