FoxFarm Tiger Bloom® is a phosphorus fertilizer that contains nitrogen to support vigorous growth. It is formulated with a low pH to maintain stability in storage and keep micronutrients available. Tiger Bloom® can be used for both hydroponic and soil applications. Tiger Bloom® is designed to encourage abundant fruit, flower, and multiple bud development. Use Tiger Bloom® at the first signs of flowering through harvest.-Garden tip: Tiger Bloom® can also be used as a foliar fertilizer. Just dilute it in water and spray it onto both sides of leaves early in the morning.