Don't overdo the superthrive!
Just repot deeper into fresh soil... the soil shoudl come right up to the node where the cotyledons are (or were, probably, in your case)
Keep temps down of course.
stinkyattic Reviewed by stinkyattic on . Heat Damage~Underdeveloped Roots~Recovery Possible??? in my first grow (log in sig), still going on. im in dirt, indoors. 2 girls seem to have serious bonsai characteristics. long story short.(6 weeks worth) i made some noobie mistakes.(of course) the beginning of the grow i had nearly zero ventilation. used 150w cfls about 1 inch away from first sign of poking out of the dirt. Rating: 5