Seed Pods Compatible with Most Hydroponic Indoor Gardens – These grow sponges are compatible with various hydroponic systems, including AeroGarden and similar models. Our seed pod kit is suitable for indoor hydroponic gardens or outdoor soil planting. Once rooted, seeds can be easily transplanted into soil. Healthy Root Development – The organic hydroponic grow sponges are made from high-quality peat moss, offering excellent structure and strong water wicking ability. They provide seeds with the ideal balance of oxygen and moisture for optimal germination and growth. Use these seed pods with hydroponic growing systems to support reliable sprouting and healthy root development. Designed with a Hole – The top of each sponge features a small hole to securely hold seeds in place, preventing them from falling into the water. Simply soak the sponges in water for 3–5 minutes, place a seed in the center hole, then insert the pod into your hydroponic system and wait for germination to begin. 50-Pack Grow Sponges – This set includes 50 replacement grow sponges. The generous quantity allows you to start many seeds at once, making it efficient for larger planting projects. All sponges are dried before shipping to help prevent mold. Grow a Variety of Plants – These premium grow sponges work well for growing herbs, lettuce, strawberries, peppers, cilantro, flowers, and more in hydroponic systems. They provide an effective medium for seed rooting and make a thoughtful gift for gardening enthusiasts. Color: Dark Brown Material: Sponge (Peat-based) Size: 5.5 cm Package Contents: 50 x Grow Sponges Note: Only the listed items are included. Light reflection and display settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1–3 cm.