FoxFarm Open Sesame®OPEN SESAME SOLUBLE FERTILIZER For Early Flowering Stage 5 45 19 Open Sesame is a high phosphorus soluble fertilizer thats designed for use during the early weeks of flowering to support vigorous blooming and bud development. Whether youre growing in hydroponic systems, containers, or gardening in the soil, Open Sesame will go right to work at the root zone and deliver targeted nutrients when the plants need them the most. Garden Tip: Feed with Open