Foxfarm, pt, tiger bloom, high phosphorus fertilizer, ultra potent, fast acting, contains a good supply of nitrogen for growth & vigor, formulated with a low ph to maintain stability in storage & keep micronutrients available, can be used for both hydroponic & soil applications, when used as directed, it encourages abundant fruit, flower, & multiple bud development, use at the first sign of flowering at the rate of 2-3 teaspoons per gallon of water, use as a foliar fertilizer, just apply it to both sides of leaves early in the morning, to extend flowering or fruiting, add big bloom liquid fertilizer late in the season.