Exaco Trading EzGro Hydroponic Vertical Container Gardening System, White This vertical garden kit brings the benefits of hydroponic container gardening to everyone Perfect for balconies, decks or patios, growing 20 to 80 plants with little effort Kit includes white pots, pump, timer and watering reservoir Carefree operation, just refill water every 10-14 days Achieve professional results with no hassle