RX Green LIFE Gel 0.5oz Case of 18Rx Green Technologies LIFE Cloning Gel contains a blend of rooting hormones and all natural ingredients. Formulated to produce roots in any substrate, this gel will work with rooting cubes or aeroponic machines. Contains indole 3 butyric acid (IBA), a naturally occurring plant growth hormone that stimulates early root development. Includes vitamin B1 which helps to increase the plants stress resistance.