Hydrocell provides a lightweight, non hydrophobic, low organic content media that is stable over time. It has excellent capillary properties for sub surface irrigation, good shear strength due to particle shape for sloped surfaces, high hydraulic conductivity and is suitable for a wide range of plant species. Hydrocell growing medium is tested in a variety of climatic and planting conditions. Typically Australian towns and cities are seeking ways to conserve water, and we are proud to have tested and proven our gardens as the most efficient water-saving systems available today. Available in convienient bulk bag for easy on site handling.