The NEW EARTH GRAB'N'GROW DRIP BUCKET is an extremely reliable hydroponic system that has been a best seller in our store since it's introduction. Each bucket is more than adequate for growing one large plant. The operation of the bucket is simple: a pump and drip ring provide constant watering and aeration to the plants roots. The growing media is Hydroton, and is reusable. Each single kit comes with an air pump, Hydroton grow media, 2oz bottles of the complete New Earth Nutrient system, bucket, net pot bucket insert, drip ring, and pumping column.