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APPARATUS FOR GROWING PLANTS HYDROPONICALLY USING A FLOOD AND DRAIN TECHNIQUE COMPRISES A GROWING TRAY ABOVE A RESERVOIR, WITH EXPANDED CLAY, HOSE, PUMP AND A TIMER
APPARATUS FOR GROWING PLANTS HYDROPONICALLY USING A FLOOD AND DRAIN TECHNIQUE COMPRISES A GROWING TRAY ABOVE A RESERVOIR, WITH EXPANDED CLAY, HOSE, PUMP AND A TIMER