The ultimate rooting compound ? used by professionals and amateurs the world over. CLONEX is a bright, translucent gel. It is a high performance formulation of hormones, vitamins and mineral nutrients. CLONEX is a high performance rooting compound. It is a tenacious gel which will remain in contact around the stem, sealing the cut tissue and supplying the hormones needed to promote root cell development, and vitamins to protect the delicate new root tissue.