100 Bio-Growth Sponges - Contains 100 Bio-Growth Sponges, ideal for hydroponic plant growth. These sponges provide an optimal environment for seed germination and promote healthy root development, making them perfect for your smart garden. Specially Developed for Hydroponic Systems - These sponges ensure reliable seed germination and support healthy root development, making them an ideal complement to your hydroponic systems. Water Adaptable - When soaked in water, the sponges expand and adapt perfectly to planting baskets or seedling raising systems. Use them in your hydroponic system for easy and efficient plant cultivation. Smart Indoor Hydroponics - Plants grow faster in water than in soil, making it a highly efficient solution for indoor cultivation. Easy Transplanting - The growth sponges support seed germination and allow seedlings to be easily transplanted into soil or other media after root formation. Ideal for flexible and efficient plant cultivation.