Vertical Aquaponics Z ipGrow ZipGrow towers are an efficient and productive way to grow crops . Most aquaponic producers utilize rafts for productions, but rafts are not productive enough per square foot to make production in greenhouses economically feasible . ZipGrow towers typically produce 3-4 times more per square foot than traditional raft production methods . This is due to the light conservation aspects of the tower design as well as the modular aspects of the tower design that can utilize conveyor production techniques to maximize crop yield . By spacing ZipGrow Towers in rows you can not only maximize crop density but also use light more efficiently than any other tower system on the market, guaranteed . When used as recommended ZipGrow tower systems can increase the production per square foot of greenhouse by 300 to 400% . Useful in a variety of different systems, from hydroponics to aquaponics, ZipGrow towers are the best soilless plant ...