FoxFarm Open SesameEarly Flowering Fertiliser for Strong Growth FoxFarm Open Sesame is a soluble flowering fertiliser designed to support plants during the early stages of bloom. Formulated with a strong phosphorus and potassium profile, it helps plants transition into flowering and begin forming bud sites across the canopy. Used during the first phase of flowering, Open Sesame provides nutrients that plants require when shifting from vegetative growth into bloom. It