Reliable and uniform delivery of nutrient solution to every plant in a hydroponic system is essential for obtaining optimal plant growth and yields. With the majority of commercial hydroponic crops grown using drip irrigation, indoor gardeners have long adapted this solution delivery method to small scale systems and can benefit from advances in irrigation technology. Also inside: Aquaponic Circulation, How to Maintain Liquid Nutrient Levels, 9 Vegetable Eating Pests, and more!