Critical orange Punch

This week was not too good. It is my first time using this coco seed starting mix I got from the grow store. It turns out I was over watering. It's coco based so I thought that was almost impossible to do. I'm still pretty confused about it. The tomatoes and peppers delt with the over watering okay and seemed to bounce back pretty quick. The weed plants are still struggling however. I'm considering up potting them into a new soil mix to see if that will help because letting them dry for a few days hasn't brought them back to healthy vigorous growth yet. Any tips are appreciated.