Jiffy JHGROW-6 Hydro Growing System for Hydroponics, 4 QtGrow young to mature plants in the comfort of your own home with this Growing System. Features Self watering 6 in 15 cm diameter pot with holes, Air pump system that aerates root to help end root rot. Also includes soilless growing media. A growing system for indoor use! For young to mature indoor plants Self watering 6 in 15 cm diameter pot with holes Air pump system aerates root to help end root rot Uses soilless growing media included Water soluble