I was wondering if somebody knows the composition of the famous Superthrive, and if somebody knows if it is Safe to use it on fruit trees and edible vegetables?

It surely works great but...Is it SAFE?[img]http://www.**********.com/iB_html/non-cgi/emoticons/new/confused.gif[/img]
[img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_l_32.gif[/img]