Perlite is one of nature's most efficient soil improvements. It results from baking volcanic glass at a high temperature and is beneficial when mixed into soil. It keeping the soil ventilated, which helps drainage, provides insulation, and prevents it from compacting around roots. The product is also sterile, has a neutral pH, and is toxin free, which makes it safe for all plants. It encourages quick growth for seeds and speeds up rooting. It also improves conditions for seedlings and reduces the risk of damping off by delivering the ideal balance of air and water. If you have heavy clay or silt soil, the product improves the texture and helps to prevent water logging. Although many plants can grow in pure perlite, most gardeners use it sparingly. As it is an inorganic product, it never decomposes, so it stays in the soil adding benefits for years to come. You can find many weights, such as perlite 100 litres, available from reliable sellers on eBay. Join the many keen gardeners that have used using this product, and improve the quality of your soil.