text: This book includes a quick trip to making hydroponics a part of saving us trips to the market to buy raw foods like fruits and vegetables. There are a few options you can make when it comes to your hydroponic system, but many times the roots of your plants will be suspended in, misted with, or flooded with a nutrient solution (you can design the nutrient system to meet the needs of your chosen plants), so that the plants still get everything they need. And that's just enough for me. So thanks! The book is very good.