The WaterFarm 8-Pack is a top performance hydroponic module system that is reliable, easy to use and inexpensive. It includes eight WaterFarm module units that are all connected to one controller. The controller is an integrated 13 gallon reservior and an 8 gallon controller unit which maintains the correct level of nutrient solution in each individual WaterFarm unit for low maintenance. The kit is powered by GH's dual diaphragm air pump, and includes all the necessary hardware, supplies and a set of the Floraseries nutrients. The WaterFarm units can be arranged in a design that is suitable for any environment, pack them tight or space them out for your specific growing situation.