Features: Two-part commercial nutrient base formulated for the growth/vegetative phase. Professional-grade substrate with chelated micronutrients designed for hydroponic/soilless growing. A/B Nutrient Basics provide the ideal foundation for commercially produced and customized nutrient programs. Plants suitable for hydroponic soil cultivation, with a wide range of applications, to provide power for plant growth. Specification: Material: Fertilizer Size: 4.72*1.57in/12*4cm Color: as picture shown Applicable scene: suitable for lettuce, tomato, herbs and flowers Package Includes: 1set Notes: Please allow small errors due to manual measurements. Different monitors may display slightly different colors.