Growth Technology Clonex Purple Gel [250ml] 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. What does GT Clonex Rooting Hormone do? It seals cut tissue instantly, eliminating the risk of infection or embolism. It contains rooting hormone at 3000 parts per million, the full strength required for explosive root development. It contains a full profile of nutrients and trace elements to nourish and empower the new plants. It is a gel far safer than liquids or powders because it cannot splash or blow about. Unlike liquids and powders, CLONEX will remain in contact with the stem right through the rooting period.