yea wait longer. wait till your plant is a little bigger and at first only do 25 percent strength and work yourself up. you dont want to over feed the plant
next time you grow make sure you look up guides on how to build a sweet soil. if you have a bomb soil and the sun you can grow w/o using any nutes. not saying you shouldn't use nutes, just saying thats how important the soil is
hmm i re read your first post and i didn't notice you put the epson salt in the mix. i think that made it worse.
cannabis loves to breath just as much as it loves water. i let my soil get dry before i even think about watering.
what kind of soil do you use? and i think you should let it...