Foxfarm Gallon Tiger Bloom High Phosphorus Fertilizer. It is ultra potent and fast acting, containing a good supply of nitrogen for growth and vigor. Formulated with a low pH to maintain stability in storage and keep micronutrients available, it can be used for both hydroponic and soil applications. When used as directed, it encourages abundant fruit, flower, and multiple bud development. Use at the first sign of flowering at the rate of 2-3 teaspoons per gallon of water. Apply it to both sides of leaves early in the morning as a foliar fertilizer. To extend flowering or fruiting, add Big Bloom Liquid Fertilizer late in the season. NPK: 2-8-4.