Check the listing for details. DWC 5 Gallon 6 Buckets Hydroponics Growing System Recirculating Growing Kit New. Condition: New. Listed at 165.64 USD. Soilless cultivation equipment: It does not use natural soil as the substrate, and uses nutrient solution for irrigation after planting. It can artificially create a good root environment, avoid the undesirable factors of soil operation, and fully meet the needs of crops for the growth environment such as moisture, nutrition, and minerals. The basic materials used for cultivation can be recycled. Therefore, soilless cultivation has the advantages of saving water, labor, and high yield, and has been more and more widely used in horticulture and agriculture. Feature: Accelerated plant growth Buckets fully aerated Shutoff valves and water level gauge No fertiliser required Lower running cost and produce greater yield Simplified and effective nutrient uptake process Low maintenance Packag.