Optimal Size and Quantity: Each set includes 20 or 50 pre-formed planting blocks, perfectly sized to fit standard hydroponic trays and seedlings containers. This quantity supports both small-scale home gardeners and larger balcony or garden projects, providing ample space for starting multiple seeds or cuttings simultaneously without overcrowding. Superior Material Composition: Crafted from a blend of sphagnum peat and coconut coir, these blocks offer excellent moisture retention while maintaining ideal aeration. This balanced environment ensures rootlets receive sufficient oxygen and nutrients, promoting vigorous early growth and reducing the risk of rootlet rot or damping-off diseases. User-Friendly Design: Featuring pre-formed seeds holes, these blocks simplify seeds placement for precise germination. The soft sponge texture minimizes rootlet shock during transplanting, making it easier to move seedlings or propagate delicate cuttings such as succulents and roses without damaging young rootlets. Versatile Application: Perfectly suited for all hydroponic systems as well as traditional soil-based seeds starting, these blocks accommodate a wide range of plants. Whether you’re growing herbs indoors, starting vegetable seedlings on your balcony, or propagating ornamental plants in your garden, they provide a reliable medium for healthy development. Eco-Conscious and Hygienic: Made from renewable natural materials and subjected to a high-temperature drying process, these planting blocks ensure a clean, sterile environment free from pathogens. Choosing this sustainable option supports environmentally friendly gardening practices while giving your plants a hygienic start for robust growth. Description: The growing sponges are ideal for all hydroponic systems and soil seeds starting. Made from sphagnum peat and coconut coir, it efficiently retains moisture and nutrients while providing excellent aeration for faster seeds germination and stronger early growth. The soft sponge minimizes rootlet shock during transplanting and is perfect for propagating cuttings like succulents and roses. With no complicated preparation needed, simply soak in water and plant. The pre-formed seeds holes allow precise placement, making it easy for beginners and experts alike. Eco-friendly and hygienic, these blocks undergo high-temperature drying to ensure a clean start. Available in packs of 20 or 50, perfect for home, garden, or balcony gardening. Item Name: Growing Block Material: Coconut Coir Scope of Application: Home Gardening Features: Hydroponic Accessories, Eco-Conscious, User-Friendly Size Details: L: 3cm/1.18", W: 3.5cm/1.38" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 20pcs: 20 x Growing Sponges or 50pcs: 50 x Growing Sponges