Learn the best kept secrets of building and gardening with high-yield aeroponic and hydroponic systems you can build. Hydroponic gardening is the most productive way to grow all varieties of plants, and those raised in a hydroponic system will exhibit maximum yield, flavor, vitamin and essential oil content. How-To Hydroponics illustrates each step of the hydroponic growing process with clear photographs and diagrams and includes step-by-step hydroponics system plans to build eight types of hydroponic and aeroponics systems.