6 oz, open sesame soluble, a ph balanced blend of extra strength nutrients specifically designed for use during early flowering & ripening in fruits, buds, & flowers, enhanced flower size & multiple bud development, use in soilless mixes, ordinary garden soils, hydroponics, & aeroponic systems, high phosphorus soluble fertilizer that's designed to bring plants into bloom, provides the optimal level of nutrition with minimal salts & other residue build ups, goes to work at the root zone & deliver targeted nutrients when the plants need them the most. NPK: 5-45-19.