stunt

My plant is flowering but hasn’t really grown much recently. Did I stunt the growth? Am I overwatering? Or fertilizing improperly? Not sure what happened and/or if I can fix the problem but hoping so! Thanks in advance!

Hey guys, I am on my first grow here and experiencing stunted growth. The seedlings are 2 weeks in but still have only sprouted one set of leaves and are really small still. I have a standard grow tent set up. 25 degrees, 45 percent humidity. 18 hours of light per day with ventilation running...