FoxFarm's Big & Chunky Perlite is perfect for aerating container plantings. Use it with our Ocean Forest? or Happy Frog? Potting Soil to improve drainage, keep roots oxygenated and prevent plants from becoming waterlogged. Hydroponic growers know that Big & Chunky is the ultimate hydro grow medium. Use it as a stand-alone product or combine it with our Light Warrior? Agro-Ponic Seed Starter?for your cuttings and seedlings.