your mix is still good,dump it let it dry then mixit.Your buddy may have been thinking big pot small plant,small plant can't absorb all the water flushing the heavy soil to the bottom of the pot,the perlite and vermi will work it's way upleaving mud in the bottom,this is caused from the plant not being able to absorb all the water fast enough leaving a flood in the bottom of your pot,more then likely cause root rot