General Hydroponics Flora Series Combo: Gro and Bloom (1 Quart) 1 Quart (32 Oz.) each of Flora Gro and Flora Bloom. The Flora series contains complete primary, secondary and micro nutrients for enhanced yields and better crop quality and enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants. Use Flora Gro during the vegetative growing phase. Use Flora Bloom during the fruiting and flowering phase. NPK: Gro (2-1-6), Bloom (0-5-4)