Foxfarm, QT, 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, 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.