is it dyingg??

i think my plant is dying because i cut it a bit because of strech and put it into a root stim that i dont know if its gonna works and im quite sure its gonna die but can you help me if there something to do with it?..
its now yellowing and the leaves are curling down..
and what type of food i can buy at like home depot?
plz help me i dont want my plant to die

Quit watering it, Only water when the soil is bone dry, stick your finger down in the soil about 2" down, if it feels moist at all, no water. Also dont cut it, im not sure why you did, if its streching then move your light closer, its too small to start topping wait a few nodes.