Pumice, available in sizes 3/8" and smaller, is your soil's secret weapon against waterlogging and root rot. This natural volcanic rock dramatically improves soil structure by enhancing aeration and drainage, creating the perfect environment for robust root development. Use it in traditional gardening or as an exceptional soilless grow media in hydroponic and aquaponic systems. Watch your plants thrive with stronger roots and more vigorous growth when you incorporate this versatile amendment.