Root Farm All-Purpose Supplement Nutrient Part 2 All-purpose nutrient supplement for hydroponic gardening. The second part of a simple 2-part hydroponic nutrient system. Specially designed for growing hydroponically. Contains the phosphorus, potassium, and magnesium hydro plants need. Contains an extra boost of nitrogen to enhance leafy and vegetative growth, ideal for use with leafy greens and herbs, but works well for mixed crop gardens too. Designed to be combined with Root Farm Base Nutrient Part 1, providing key nutrients plants need to flourish from the start through all phases of their growth cycle. Can be used with water based systems or with soil-less growing media. Size 1 Qt., Concentrate or Ready To Use Concentrate, Product Form Liquid, Formulation 2-3-7, Pkg Qty 1, Package Type Bottle