Maximize Growth with the Premium Mars Hydro 5-Gallon DWC Hydroponic System. This 5-gallon deep water culture kit includes a Pump, Air Stone, and Water Level Device - everything you need for vibrant, healthy vegetables and plants, indoors or out. Perfect for hydroponic beginners and experts alike. This hydroponics kit contains 2x 5-gallon PP plant buckets; 2x 8-inch grow baskets; 2x drip irrigation sets; 1x air pump; 4m of air tubing; 2x air stones; 2x packs of clay pebbles; 2x visual water level indicators; 2x valve connections; 1x instruction booklet; 1xPH and TDS meter combo.