Details: Get the convenience of an Ebb & Flow System in a 22″ x 22″ x 10″ size garden. Ebb & flow (flood & drain) systems work by pumping nutrient solution up from a reservoir to a controlled water level tray. All plants are watered uniformly on a timed cycle. Features 7.5 gallon reservoir Insert grow tray Submersible pump + timer Seed starter cubes Water level indicator Growing medium + 15 5.5″ square planters GH Flora Nova Nutrient Sample pH test kit Illustrated instructions To learn more about the Megagarden, click HERE. NOTE: A portion from every MegaGarden sale goes to support Hydro for Hunger, a program designed to raise awareness about, and help fight, world hunger.