This high-potency formula uses kelp as an activator to lock in plant height, a must for the limited space of indoor gardens. Bush Master also increases the density of indoor plants by forcing the flowering of the entire stalk and limbs. When applied, vertical height and limb length stops. The new growth comes from within the plant and within the established flowers creating huge clusters. For optimum performance it is recommended using Bush Master at the beginning of flowering. At that time, stored energy is flowing upward to the developing flowers. Application of Bush Master lays a detour in the path of the sugars and forces them to the sides.