Seed Pods Compatible with Most Hydroponic Indoor Gardens – These grow sponges are compatible with popular hydroponic indoor gardens, including AeroGarden. Our seed pod kit is suitable for indoor hydroponic growing systems or outdoor soil planting. Once rooted, seedlings can be easily transplanted into soil. Healthy Root Development – Made from high-quality organic peat, these hydroponic grow sponges are well-shaped and offer strong water-wicking ability, providing seeds with an optimal balance of oxygen and moisture for reliable germination and healthy root development. Designed with a Center Hole – Each sponge features a small central hole to securely hold seeds in place and prevent them from falling into the water reservoir. Soak the sponges in water for 3–5 minutes, place seeds in the center hole, then insert the pods into your hydroponic system and wait for germination. 50-Pack Grow Sponges – Includes 50 replacement grow sponges. Sufficient quantity for starting multiple seeds quickly and efficiently. All sponges are pre-dried before shipping to prevent mold. Versatile Growing Medium – Ideal for growing a wide variety of plants in hydroponic systems, including herbs, strawberries, lettuce, peppers, cilantro, and flowers. These sponges provide an excellent medium for seed rooting and make a thoughtful gift for plant enthusiasts. Color: Dark Brown Material: Peat-based sponge Size: 5.5 cm Package Contents: 50 × Grow Sponges Note: Color appearance may vary slightly due to lighting and screen settings. Slight dimensional variation may occur due to manual measurement.