Fox Farm Big Bloom .03-.1-.7 1 Gallon Bottle Big Bloom is Alive! A microbially active, water soluble plant food specifically formulated to promote and emphasize the blooming characteristics of all flowering and fruiting plants. Big Bloom is an 100% natural and organic biologically active instant plant food. Big Bloom promotes strong, extra large, and multiple blooms while dramatically enhancing the flavor of fruits and vegetables. Big Bloom can be applied out of a watering can, through a foliar sprayer, drip irrigation and hydroponic systems. It's gentle nutrition will not burn tender young plants. May be used in combination with Grow Big, to customize the nutritional requirements of all plants.