FoxFarm Grow Big Liquid Plant Food 6-4-4 2.5 Gallon Concentrated Vegetative FertilizerGrow Big: The Foundation of Vigorous Plant Growth Grow Big Liquid Plant Food (6 4 4) is FoxFarms powerful, concentrated fertilizer designed to kickstart and support lush vegetative growth. This special brew ensures your plants develop strong, substantial structures, which is essential for supporting abundant fruit, flower, and bud development later in the growing cycle. Enhanced Absorption and Stability Formulated as a 6 4 4 NPK ratio, Grow Big