?The Eccogrower Grow Sponges Gives You a Choice for Aerogarden 1.The seed pod is perfectly sized to fit in your grow baskets 2.They are a pH balanced plant sponge and contains micro nutrients and active biological so they have all the elements needed to promote healthy root growth and young plant vigor. This optimal environment is the result of the plugs good aeration and water retention ability. 3.In a hydro garden, air porosity is one of the most important attributes to have. Good air porosity promotes good root growth. The plant pods offers the most air porosity possible in a rooting sponge. 4.They're flexible aerated grow sponge that are designed for faster root development and plant establishment. They have the optimum air-to-water ratio for excellent root development and plant growth. 5.Specifically designed to germinate seeds by providing consistent moisture and root cuttings faster while promoting a strong root system. These seed pods helps to ensure reliable germination and healthy root development. Ideal growing medium for aerogarden hydroponic growers. ?Specification Quantity: 50 pieces ?Customer Service 1:After receiving our products, if you encountering any problems during use, such as quantity less or damaged, etc., please feel free to contact us at any time. 2:We will surely give you a satisfactory solution within 24 hours, your pleasant shopping experience is the purpose of our services! ?Warm Tips Mold growth is often influenced by water quality and air humidityMost important: Hydroponic planting environment that is poorly ventilated is stuffy and prone to mold; ?Any use of Aerogarden brand name or model designation for this product is made solely for purposes of demonstrating compatibility.