Hydroponic Sphagnum Cone Sponges Seedling Starters Germination Pack of 50 These seed starter pods are incredibly easy to use and transplant without requiring any tools, making them convenient for indoor gardening. Simply replace the old sponge with a new one, and your plants will continue to grow. These grow sponges also make it easy to transplant seedlings after rooting to the soil or other media. Grow sponges are biodegradable, cone shaped, and balanced in pH, rich in vitamins and minerals, providing an ideal growing environment for healthier germination and rooting. Sphagnum grow sponges provide air porosity, help plants germinate and root faster, and are mold free. The sponges have a strong water absorption and moisturizing ability, enabling your plants to take root quickly and increasing their survival rate. Compatible with hydroponic planting systems and hanging gardens. Grow a variety of plants and herbs in your indoor garden, including strawberries, tomatoes, peppers, cilantro, basil, flowers, and more. This versatility enables you and your family to enjoy fresh fruits and vegetables all year round! Size: .74" inches across and 2.36" inches long You get: 50 Grow Sponges Sponges made from Brown Sphagnum peat