The Ebb n Flow (24” x 26” x 16” - 10 plants) features 10 large square grow pots. The square pots can be placed in the top grow tray in any configuration. You decide how many plants and how they are spaced. Growing big hydroponic tomatoes just became easier than ever. The Ebb n Flow system delivers water, nutrients, and oxygen at set intervals. Simply set the timer for how often and how long you would like to feed the plants. Nutrient rich solution is pumped from the lower reservoir to the top grow tray. Nutrients are absorbed and the excess drains back after the cycle is completed. Gives you total control of plant feedings.