Grow lush green plants with huge roots without a huge price. Simple, complete and easy to use, Spray-N-Grow brings you Bill's "Perfect" hydroponic nutrients. Bill's Perfect Grow is balanced for growing plants as they develop from seed to full, lush producing plants. With an NPK of 2-1-6, it is perfectly balanced for all-important roots, large healthy leaves, and stems to get their start. Once plants are established, the nutrients work with Bill's Perfect Bloom to ensure a long, productive life for them.