Open Sesame^® is a high-phosphorus soluble fertilizer that’s designed to bring plants into bloom at your command. Just say the magic words! Open Sesame® provides the optimal level of nutrition with minimal salts and other residue buildups. Whether you’re growing in hydroponic systems, containers, or gardening in ordinary soil, Open Sesame^® will go right to work at the root zone and deliver targeted nutrients when the plants need them the most.