- 50-Piece AeroGarden Compatible Grow Sponges: These replacement seed pods feature a round cone shape (not square), measuring approximately 0.9 inches across the top and 2.7 inches in length after soaking. Perfectly designed for use with round grow baskets. - Ideal for Hydroponic Systems: Specifically crafted as pod refills for AeroGarden systems, these grow sponges ensure a seamless replacement experience for your hydroponic gardening needs. - Premium Quality with High Germination Rate: Made from sphagnum peat moss, these sponges provide an optimal environment for seed planting. Their well-sized hole promotes strong water wicking, balanced pH levels, and breathability, ensuring healthy plant growth. - Easy Transplanting: Pre-soak the hydroponic sponges in water for 20-30 minutes before use. Once your plants are strong enough, these sponges can be easily transplanted into soil, making the transition from hydroponics to traditional gardening hassle-free. - Versatile Applications: Whether you're growing herbs, vegetables, or flowers, these sponges are perfect for a wide range of plants. Ideal for indoor gardening enthusiasts or anyone looking to enhance their home garden with efficient hydroponic solutions. - Compatibility and Performance: Designed to fit perfectly with AeroGarden systems, these grow sponges deliver consistent performance, ensuring your plants thrive from seed to harvest. Experience reliable results and take your gardening to the next level with these high-quality grow sponges.