Perlite Is A Versatile Growing Medium That Can Work Wonders For Your Plants. This Naturally Occurring Volcanic Rock Has Been Heated And Expanded, Creating A Lightweight, Porous Material That Excels At Aeration And Drainage. Perlite'S Unique Structure Allows It To Retain Just The Right Amount Of Moisture And Oxygen, Creating An Ideal Environment For Root Growth And Overall Plant Health. Whether You'Re Starting Seeds, Amending Potting Mixes, Or Top-Dressing Houseplants, Perlite Can Provide The Perfect Balance. Its Neutral Ph Makes It Suitable For A Wide Range Of Plants. Simply Incorporate Perlite Into Your Soil Or Use It As A Top Layer To Improve Drainage And Prevent Compaction. With Its Excellent Water Retention And Aeration Properties, Perlite Can Help Your Plants Thrive. Available In Various Grades, Choose The Right Size For Your Gardening Needs.